27990075

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{757}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 50755680

約数和(自身を除く): 22765605

約数列:

[1, 3, 5, 15, 17, 25, 29, 51, 75, 85, 87, 145, 255, 425, 435, 493, 725, 757, 1275, 1479, 2175, 2271, 2465, 3785, 7395, 11355, 12325, 12869, 18925, 21953, 36975, 38607, 56775, 64345, 65859, 109765, 193035, 321725, 329295, 373201, 548825, 965175, 1119603, 1646475, 1866005, 5598015, 9330025, 27990075]

約数ペア:

[(1, 27990075), (3, 9330025), (5, 5598015), (15, 1866005), (17, 1646475), (25, 1119603), (29, 965175), (51, 548825), (75, 373201), (85, 329295), (87, 321725), (145, 193035), (255, 109765), (425, 65859), (435, 64345), (493, 56775), (725, 38607), (757, 36975), (1275, 21953), (1479, 18925), (2175, 12869), (2271, 12325), (2465, 11355), (3785, 7395)]