66890775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1237}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 127721984

約数和(自身を除く): 60831209

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 103, 105, 175, 309, 515, 525, 721, 1237, 1545, 2163, 2575, 3605, 3711, 6185, 7725, 8659, 10815, 18025, 18555, 25977, 30925, 43295, 54075, 92775, 127411, 129885, 216475, 382233, 637055, 649425, 891877, 1911165, 2675631, 3185275, 4459385, 9555825, 13378155, 22296925, 66890775]

約数ペア:

[(1, 66890775), (3, 22296925), (5, 13378155), (7, 9555825), (15, 4459385), (21, 3185275), (25, 2675631), (35, 1911165), (75, 891877), (103, 649425), (105, 637055), (175, 382233), (309, 216475), (515, 129885), (525, 127411), (721, 92775), (1237, 54075), (1545, 43295), (2163, 30925), (2575, 25977), (3605, 18555), (3711, 18025), (6185, 10815), (7725, 8659)]