81507708

素因数分解:

$2^2\times 3^4\times {\mathrm{251567}}^1$

素因数の和:251583

約数の個数: 30

約数和(自身を含む): 213078096

約数和(自身を除く): 131570388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 251567, 503134, 754701, 1006268, 1509402, 2264103, 3018804, 4528206, 6792309, 9056412, 13584618, 20376927, 27169236, 40753854, 81507708]

約数ペア:

[(1, 81507708), (2, 40753854), (3, 27169236), (4, 20376927), (6, 13584618), (9, 9056412), (12, 6792309), (18, 4528206), (27, 3018804), (36, 2264103), (54, 1509402), (81, 1006268), (108, 754701), (162, 503134), (324, 251567)]