155867475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2843}}^1$

素因数の和:2916

約数の個数: 48

約数和(自身を含む): 279303552

約数和(自身を除く): 123436077

約数列:

[1, 3, 5, 15, 17, 25, 43, 51, 75, 85, 129, 215, 255, 425, 645, 731, 1075, 1275, 2193, 2843, 3225, 3655, 8529, 10965, 14215, 18275, 42645, 48331, 54825, 71075, 122249, 144993, 213225, 241655, 366747, 611245, 724965, 1208275, 1833735, 2078233, 3056225, 3624825, 6234699, 9168675, 10391165, 31173495, 51955825, 155867475]

約数ペア:

[(1, 155867475), (3, 51955825), (5, 31173495), (15, 10391165), (17, 9168675), (25, 6234699), (43, 3624825), (51, 3056225), (75, 2078233), (85, 1833735), (129, 1208275), (215, 724965), (255, 611245), (425, 366747), (645, 241655), (731, 213225), (1075, 144993), (1275, 122249), (2193, 71075), (2843, 54825), (3225, 48331), (3655, 42645), (8529, 18275), (10965, 14215)]