68161455

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2749}}^1$

素因数の和:2808

約数の個数: 48

約数和(自身を含む): 128700000

約数和(自身を除く): 60538545

約数列:

[1, 3, 5, 9, 15, 19, 29, 45, 57, 87, 95, 145, 171, 261, 285, 435, 551, 855, 1305, 1653, 2749, 2755, 4959, 8247, 8265, 13745, 24741, 24795, 41235, 52231, 79721, 123705, 156693, 239163, 261155, 398605, 470079, 717489, 783465, 1195815, 1514699, 2350395, 3587445, 4544097, 7573495, 13632291, 22720485, 68161455]

約数ペア:

[(1, 68161455), (3, 22720485), (5, 13632291), (9, 7573495), (15, 4544097), (19, 3587445), (29, 2350395), (45, 1514699), (57, 1195815), (87, 783465), (95, 717489), (145, 470079), (171, 398605), (261, 261155), (285, 239163), (435, 156693), (551, 123705), (855, 79721), (1305, 52231), (1653, 41235), (2749, 24795), (2755, 24741), (4959, 13745), (8247, 8265)]