291287161509

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1\times {\mathrm{641}}^1\times {\mathrm{6917}}^1$

素因数の和:7981

約数の個数: 32

約数和(自身を含む): 396524263680

約数和(自身を除く): 105237102171

約数列:

[1, 3, 61, 183, 359, 641, 1077, 1923, 6917, 20751, 21899, 39101, 65697, 117303, 230119, 421937, 690357, 1265811, 2483203, 4433797, 7449609, 13301391, 14037259, 42111777, 151475383, 270461617, 454426149, 811384851, 1591733123, 4775199369, 97095720503, 291287161509]

約数ペア:

[(1, 291287161509), (3, 97095720503), (61, 4775199369), (183, 1591733123), (359, 811384851), (641, 454426149), (1077, 270461617), (1923, 151475383), (6917, 42111777), (20751, 14037259), (21899, 13301391), (39101, 7449609), (65697, 4433797), (117303, 2483203), (230119, 1265811), (421937, 690357)]