890406675

素因数分解:

$3^5\times 5^2\times {\mathrm{103}}^1\times {\mathrm{1423}}^1$

素因数の和:1551

約数の個数: 72

約数和(自身を含む): 1671115264

約数和(自身を除く): 780708589

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 103, 135, 225, 243, 309, 405, 515, 675, 927, 1215, 1423, 1545, 2025, 2575, 2781, 4269, 4635, 6075, 7115, 7725, 8343, 12807, 13905, 21345, 23175, 25029, 35575, 38421, 41715, 64035, 69525, 106725, 115263, 125145, 146569, 192105, 208575, 320175, 345789, 439707, 576315, 625725, 732845, 960525, 1319121, 1728945, 2198535, 2881575, 3664225, 3957363, 6595605, 8644725, 10992675, 11872089, 19786815, 32978025, 35616267, 59360445, 98934075, 178081335, 296802225, 890406675]

約数ペア:

[(1, 890406675), (3, 296802225), (5, 178081335), (9, 98934075), (15, 59360445), (25, 35616267), (27, 32978025), (45, 19786815), (75, 11872089), (81, 10992675), (103, 8644725), (135, 6595605), (225, 3957363), (243, 3664225), (309, 2881575), (405, 2198535), (515, 1728945), (675, 1319121), (927, 960525), (1215, 732845), (1423, 625725), (1545, 576315), (2025, 439707), (2575, 345789), (2781, 320175), (4269, 208575), (4635, 192105), (6075, 146569), (7115, 125145), (7725, 115263), (8343, 106725), (12807, 69525), (13905, 64035), (21345, 41715), (23175, 38421), (25029, 35575)]