81358914

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{3041}}^1$

素因数の和:3080

約数の個数: 64

約数和(自身を含む): 204422400

約数和(自身を除く): 123063486

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 343, 546, 637, 686, 1029, 1274, 1911, 2058, 3041, 3822, 4459, 6082, 8918, 9123, 13377, 18246, 21287, 26754, 39533, 42574, 63861, 79066, 118599, 127722, 149009, 237198, 276731, 298018, 447027, 553462, 830193, 894054, 1043063, 1660386, 1937117, 2086126, 3129189, 3874234, 5811351, 6258378, 11622702, 13559819, 27119638, 40679457, 81358914]

約数ペア:

[(1, 81358914), (2, 40679457), (3, 27119638), (6, 13559819), (7, 11622702), (13, 6258378), (14, 5811351), (21, 3874234), (26, 3129189), (39, 2086126), (42, 1937117), (49, 1660386), (78, 1043063), (91, 894054), (98, 830193), (147, 553462), (182, 447027), (273, 298018), (294, 276731), (343, 237198), (546, 149009), (637, 127722), (686, 118599), (1029, 79066), (1274, 63861), (1911, 42574), (2058, 39533), (3041, 26754), (3822, 21287), (4459, 18246), (6082, 13377), (8918, 9123)]