56931705

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 101627136

約数和(自身を除く): 44695431

約数列:

[1, 3, 5, 9, 15, 45, 71, 103, 173, 213, 309, 355, 515, 519, 639, 865, 927, 1065, 1545, 1557, 2595, 3195, 4635, 7313, 7785, 12283, 17819, 21939, 36565, 36849, 53457, 61415, 65817, 89095, 109695, 110547, 160371, 184245, 267285, 329085, 552735, 801855, 1265149, 3795447, 6325745, 11386341, 18977235, 56931705]

約数ペア:

[(1, 56931705), (3, 18977235), (5, 11386341), (9, 6325745), (15, 3795447), (45, 1265149), (71, 801855), (103, 552735), (173, 329085), (213, 267285), (309, 184245), (355, 160371), (515, 110547), (519, 109695), (639, 89095), (865, 65817), (927, 61415), (1065, 53457), (1545, 36849), (1557, 36565), (2595, 21939), (3195, 17819), (4635, 12283), (7313, 7785)]