15995925

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 32730048

約数和(自身を除く): 16734123

約数列:

[1, 3, 5, 9, 11, 15, 23, 25, 33, 45, 55, 69, 75, 99, 115, 165, 207, 225, 253, 275, 281, 345, 495, 575, 759, 825, 843, 1035, 1265, 1405, 1725, 2277, 2475, 2529, 3091, 3795, 4215, 5175, 6325, 6463, 7025, 9273, 11385, 12645, 15455, 18975, 19389, 21075, 27819, 32315, 46365, 56925, 58167, 63225, 71093, 77275, 96945, 139095, 161575, 213279, 231825, 290835, 355465, 484725, 639837, 695475, 1066395, 1454175, 1777325, 3199185, 5331975, 15995925]

約数ペア:

[(1, 15995925), (3, 5331975), (5, 3199185), (9, 1777325), (11, 1454175), (15, 1066395), (23, 695475), (25, 639837), (33, 484725), (45, 355465), (55, 290835), (69, 231825), (75, 213279), (99, 161575), (115, 139095), (165, 96945), (207, 77275), (225, 71093), (253, 63225), (275, 58167), (281, 56925), (345, 46365), (495, 32315), (575, 27819), (759, 21075), (825, 19389), (843, 18975), (1035, 15455), (1265, 12645), (1405, 11385), (1725, 9273), (2277, 7025), (2475, 6463), (2529, 6325), (3091, 5175), (3795, 4215)]