157156923

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{587}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 279982080

約数和(自身を除く): 122825157

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 61, 77, 133, 183, 209, 231, 399, 427, 587, 627, 671, 1159, 1281, 1463, 1761, 2013, 3477, 4109, 4389, 4697, 6457, 8113, 11153, 12327, 12749, 14091, 19371, 24339, 33459, 35807, 38247, 45199, 78071, 89243, 107421, 122683, 135597, 234213, 250649, 267729, 368049, 393877, 680333, 751947, 858781, 1181631, 2040999, 2576343, 2757139, 4762331, 7483663, 8271417, 14286993, 22450989, 52385641, 157156923]

約数ペア:

[(1, 157156923), (3, 52385641), (7, 22450989), (11, 14286993), (19, 8271417), (21, 7483663), (33, 4762331), (57, 2757139), (61, 2576343), (77, 2040999), (133, 1181631), (183, 858781), (209, 751947), (231, 680333), (399, 393877), (427, 368049), (587, 267729), (627, 250649), (671, 234213), (1159, 135597), (1281, 122683), (1463, 107421), (1761, 89243), (2013, 78071), (3477, 45199), (4109, 38247), (4389, 35807), (4697, 33459), (6457, 24339), (8113, 19371), (11153, 14091), (12327, 12749)]