291211011

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:186

約数の個数: 128

約数和(自身を含む): 566630400

約数和(自身を除く): 275419389

約数列:

[1, 3, 7, 9, 13, 21, 27, 29, 39, 61, 63, 67, 87, 91, 117, 183, 189, 201, 203, 261, 273, 351, 377, 427, 469, 549, 603, 609, 783, 793, 819, 871, 1131, 1281, 1407, 1647, 1769, 1809, 1827, 1943, 2379, 2457, 2613, 2639, 3393, 3843, 4087, 4221, 5307, 5481, 5551, 5829, 6097, 7137, 7839, 7917, 10179, 11529, 12261, 12383, 12663, 13601, 15921, 16653, 17487, 18291, 21411, 22997, 23517, 23751, 25259, 28609, 36783, 37149, 40803, 47763, 49959, 52461, 53131, 54873, 68991, 71253, 75777, 85827, 110349, 111447, 118523, 122409, 149877, 159393, 160979, 164619, 176813, 206973, 227331, 257481, 334341, 355569, 367227, 371917, 478179, 482937, 530439, 620919, 681993, 772443, 829661, 1066707, 1115751, 1434537, 1448811, 1540799, 1591317, 2488983, 3200121, 3347253, 4346433, 4622397, 4773951, 7466949, 10041759, 10785593, 13867191, 22400847, 32356779, 41601573, 97070337, 291211011]

約数ペア:

[(1, 291211011), (3, 97070337), (7, 41601573), (9, 32356779), (13, 22400847), (21, 13867191), (27, 10785593), (29, 10041759), (39, 7466949), (61, 4773951), (63, 4622397), (67, 4346433), (87, 3347253), (91, 3200121), (117, 2488983), (183, 1591317), (189, 1540799), (201, 1448811), (203, 1434537), (261, 1115751), (273, 1066707), (351, 829661), (377, 772443), (427, 681993), (469, 620919), (549, 530439), (603, 482937), (609, 478179), (783, 371917), (793, 367227), (819, 355569), (871, 334341), (1131, 257481), (1281, 227331), (1407, 206973), (1647, 176813), (1769, 164619), (1809, 160979), (1827, 159393), (1943, 149877), (2379, 122409), (2457, 118523), (2613, 111447), (2639, 110349), (3393, 85827), (3843, 75777), (4087, 71253), (4221, 68991), (5307, 54873), (5481, 53131), (5551, 52461), (5829, 49959), (6097, 47763), (7137, 40803), (7839, 37149), (7917, 36783), (10179, 28609), (11529, 25259), (12261, 23751), (12383, 23517), (12663, 22997), (13601, 21411), (15921, 18291), (16653, 17487)]