15880761

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:282

約数の個数: 36

約数和(自身を含む): 25436268

約数和(自身を除く): 9555507

約数列:

[1, 3, 9, 13, 39, 53, 117, 159, 169, 197, 477, 507, 591, 689, 1521, 1773, 2067, 2561, 6201, 7683, 8957, 10441, 23049, 26871, 31323, 33293, 80613, 93969, 99879, 135733, 299637, 407199, 1221597, 1764529, 5293587, 15880761]

約数ペア:

[(1, 15880761), (3, 5293587), (9, 1764529), (13, 1221597), (39, 407199), (53, 299637), (117, 135733), (159, 99879), (169, 93969), (197, 80613), (477, 33293), (507, 31323), (591, 26871), (689, 23049), (1521, 10441), (1773, 8957), (2067, 7683), (2561, 6201)]