1215672843

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 128

約数和(自身を含む): 2230714368

約数和(自身を除く): 1015041525

約数列:

[1, 3, 7, 11, 21, 23, 31, 33, 61, 69, 77, 93, 121, 161, 183, 217, 231, 253, 341, 363, 427, 483, 651, 671, 713, 759, 847, 1023, 1281, 1331, 1403, 1771, 1891, 2013, 2139, 2387, 2541, 2783, 3751, 3993, 4209, 4697, 4991, 5313, 5673, 7161, 7381, 7843, 8349, 9317, 9821, 11253, 13237, 14091, 14973, 15433, 19481, 20801, 22143, 23529, 26257, 27951, 29463, 30613, 39711, 41261, 43493, 46299, 51667, 54901, 58443, 62403, 78771, 81191, 86273, 91839, 108031, 123783, 130479, 145607, 155001, 164703, 169763, 214291, 228811, 243573, 258819, 288827, 304451, 324093, 436821, 478423, 509289, 568337, 603911, 642873, 686433, 866481, 913353, 949003, 1188341, 1435269, 1601677, 1705011, 1811733, 1867393, 2516921, 2847009, 3348961, 3565023, 4805031, 5262653, 5602179, 6643021, 7550763, 10046883, 13071751, 15787959, 17618447, 19929063, 36838571, 39215253, 52855341, 57889183, 110515713, 173667549, 405224281, 1215672843]

約数ペア:

[(1, 1215672843), (3, 405224281), (7, 173667549), (11, 110515713), (21, 57889183), (23, 52855341), (31, 39215253), (33, 36838571), (61, 19929063), (69, 17618447), (77, 15787959), (93, 13071751), (121, 10046883), (161, 7550763), (183, 6643021), (217, 5602179), (231, 5262653), (253, 4805031), (341, 3565023), (363, 3348961), (427, 2847009), (483, 2516921), (651, 1867393), (671, 1811733), (713, 1705011), (759, 1601677), (847, 1435269), (1023, 1188341), (1281, 949003), (1331, 913353), (1403, 866481), (1771, 686433), (1891, 642873), (2013, 603911), (2139, 568337), (2387, 509289), (2541, 478423), (2783, 436821), (3751, 324093), (3993, 304451), (4209, 288827), (4697, 258819), (4991, 243573), (5313, 228811), (5673, 214291), (7161, 169763), (7381, 164703), (7843, 155001), (8349, 145607), (9317, 130479), (9821, 123783), (11253, 108031), (13237, 91839), (14091, 86273), (14973, 81191), (15433, 78771), (19481, 62403), (20801, 58443), (22143, 54901), (23529, 51667), (26257, 46299), (27951, 43493), (29463, 41261), (30613, 39711)]