85912281

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5521}}^1$

素因数の和:5566

約数の個数: 48

約数和(自身を含む): 160800640

約数和(自身を除く): 74888359

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 247, 273, 399, 741, 819, 1197, 1729, 2223, 5187, 5521, 15561, 16563, 38647, 49689, 71773, 104899, 115941, 215319, 314697, 347823, 502411, 645957, 734293, 944091, 1363687, 1507233, 2202879, 4091061, 4521699, 6608637, 9545809, 12273183, 28637427, 85912281]

約数ペア:

[(1, 85912281), (3, 28637427), (7, 12273183), (9, 9545809), (13, 6608637), (19, 4521699), (21, 4091061), (39, 2202879), (57, 1507233), (63, 1363687), (91, 944091), (117, 734293), (133, 645957), (171, 502411), (247, 347823), (273, 314697), (399, 215319), (741, 115941), (819, 104899), (1197, 71773), (1729, 49689), (2223, 38647), (5187, 16563), (5521, 15561)]