2951631

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 4608240

約数和(自身を除く): 1656609

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 369, 421, 779, 1263, 2337, 3789, 7011, 7999, 17261, 23997, 51783, 71991, 155349, 327959, 983877, 2951631]

約数ペア:

[(1, 2951631), (3, 983877), (9, 327959), (19, 155349), (41, 71991), (57, 51783), (123, 23997), (171, 17261), (369, 7999), (421, 7011), (779, 3789), (1263, 2337)]