728045199

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{397}}^1$

素因数の和:757

約数の個数: 64

約数和(自身を含む): 1279713280

約数和(自身を除く): 551668081

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 313, 397, 651, 837, 939, 1191, 1953, 2191, 2779, 2817, 3573, 5859, 6573, 8337, 8451, 9703, 10719, 12307, 19719, 25011, 29109, 36921, 59157, 67921, 75033, 86149, 87327, 110763, 124261, 203763, 258447, 261981, 332289, 372783, 611289, 775341, 869827, 1118349, 1833867, 2326023, 2609481, 3355047, 3852091, 7828443, 11556273, 23485329, 26964637, 34668819, 80893911, 104006457, 242681733, 728045199]

約数ペア:

[(1, 728045199), (3, 242681733), (7, 104006457), (9, 80893911), (21, 34668819), (27, 26964637), (31, 23485329), (63, 11556273), (93, 7828443), (189, 3852091), (217, 3355047), (279, 2609481), (313, 2326023), (397, 1833867), (651, 1118349), (837, 869827), (939, 775341), (1191, 611289), (1953, 372783), (2191, 332289), (2779, 261981), (2817, 258447), (3573, 203763), (5859, 124261), (6573, 110763), (8337, 87327), (8451, 86149), (9703, 75033), (10719, 67921), (12307, 59157), (19719, 36921), (25011, 29109)]