51515631

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{719}}^1$

素因数の和:1163

約数の個数: 24

約数和(自身を含む): 78624000

約数和(自身を除く): 27108369

約数列:

[1, 3, 9, 19, 57, 171, 419, 719, 1257, 2157, 3771, 6471, 7961, 13661, 23883, 40983, 71649, 122949, 301261, 903783, 2711349, 5723959, 17171877, 51515631]

約数ペア:

[(1, 51515631), (3, 17171877), (9, 5723959), (19, 2711349), (57, 903783), (171, 301261), (419, 122949), (719, 71649), (1257, 40983), (2157, 23883), (3771, 13661), (6471, 7961)]