68821515

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3833}}^1$

素因数の和:3873

約数の個数: 64

約数和(自身を含む): 147225600

約数和(自身を除く): 78404085

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 57, 63, 95, 105, 133, 135, 171, 189, 285, 315, 399, 513, 665, 855, 945, 1197, 1995, 2565, 3591, 3833, 5985, 11499, 17955, 19165, 26831, 34497, 57495, 72827, 80493, 103491, 134155, 172485, 218481, 241479, 364135, 402465, 509789, 517455, 655443, 724437, 1092405, 1207395, 1529367, 1966329, 2548945, 3277215, 3622185, 4588101, 7646835, 9831645, 13764303, 22940505, 68821515]

約数ペア:

[(1, 68821515), (3, 22940505), (5, 13764303), (7, 9831645), (9, 7646835), (15, 4588101), (19, 3622185), (21, 3277215), (27, 2548945), (35, 1966329), (45, 1529367), (57, 1207395), (63, 1092405), (95, 724437), (105, 655443), (133, 517455), (135, 509789), (171, 402465), (189, 364135), (285, 241479), (315, 218481), (399, 172485), (513, 134155), (665, 103491), (855, 80493), (945, 72827), (1197, 57495), (1995, 34497), (2565, 26831), (3591, 19165), (3833, 17955), (5985, 11499)]