86780421

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{15137}}^1$

素因数の和:15170

約数の個数: 36

約数和(自身を含む): 157041612

約数和(自身を除く): 70261191

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 5733, 15137, 45411, 105959, 136233, 196781, 317877, 590343, 741713, 953631, 1377467, 1771029, 2225139, 4132401, 6675417, 9642269, 12397203, 28926807, 86780421]

約数ペア:

[(1, 86780421), (3, 28926807), (7, 12397203), (9, 9642269), (13, 6675417), (21, 4132401), (39, 2225139), (49, 1771029), (63, 1377467), (91, 953631), (117, 741713), (147, 590343), (273, 317877), (441, 196781), (637, 136233), (819, 105959), (1911, 45411), (5733, 15137)]