72321579

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:238

約数の個数: 60

約数和(自身を含む): 122049312

約数和(自身を除く): 49727733

約数列:

[1, 3, 9, 11, 27, 33, 47, 81, 99, 121, 141, 157, 297, 363, 423, 471, 517, 891, 1089, 1269, 1413, 1551, 1727, 3267, 3807, 4239, 4653, 5181, 5687, 7379, 9801, 12717, 13959, 15543, 17061, 18997, 22137, 41877, 46629, 51183, 56991, 66411, 81169, 139887, 153549, 170973, 199233, 243507, 460647, 512919, 597699, 730521, 892859, 1538757, 2191563, 2678577, 6574689, 8035731, 24107193, 72321579]

約数ペア:

[(1, 72321579), (3, 24107193), (9, 8035731), (11, 6574689), (27, 2678577), (33, 2191563), (47, 1538757), (81, 892859), (99, 730521), (121, 597699), (141, 512919), (157, 460647), (297, 243507), (363, 199233), (423, 170973), (471, 153549), (517, 139887), (891, 81169), (1089, 66411), (1269, 56991), (1413, 51183), (1551, 46629), (1727, 41877), (3267, 22137), (3807, 18997), (4239, 17061), (4653, 15543), (5181, 13959), (5687, 12717), (7379, 9801)]