81929805

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2791}}^1$

素因数の和:2921

約数の個数: 32

約数和(自身を含む): 139376640

約数和(自身を除く): 57446835

約数列:

[1, 3, 5, 15, 19, 57, 95, 103, 285, 309, 515, 1545, 1957, 2791, 5871, 8373, 9785, 13955, 29355, 41865, 53029, 159087, 265145, 287473, 795435, 862419, 1437365, 4312095, 5461987, 16385961, 27309935, 81929805]

約数ペア:

[(1, 81929805), (3, 27309935), (5, 16385961), (15, 5461987), (19, 4312095), (57, 1437365), (95, 862419), (103, 795435), (285, 287473), (309, 265145), (515, 159087), (1545, 53029), (1957, 41865), (2791, 29355), (5871, 13955), (8373, 9785)]