72944781

素因数分解:

$3^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:104

約数の個数: 80

約数和(自身を含む): 131759040

約数和(自身を除く): 58814259

約数列:

[1, 3, 7, 13, 19, 21, 39, 41, 49, 57, 91, 123, 133, 147, 247, 273, 287, 343, 399, 533, 637, 741, 779, 861, 931, 1029, 1599, 1729, 1911, 2009, 2337, 2401, 2793, 3731, 4459, 5187, 5453, 6027, 6517, 7203, 10127, 11193, 12103, 13377, 14063, 16359, 19551, 26117, 30381, 31213, 36309, 38171, 42189, 45619, 70889, 78351, 84721, 93639, 98441, 114513, 136857, 182819, 212667, 254163, 267197, 295323, 496223, 548457, 593047, 801591, 1279733, 1488669, 1779141, 1870379, 3473561, 3839199, 5611137, 10420683, 24314927, 72944781]

約数ペア:

[(1, 72944781), (3, 24314927), (7, 10420683), (13, 5611137), (19, 3839199), (21, 3473561), (39, 1870379), (41, 1779141), (49, 1488669), (57, 1279733), (91, 801591), (123, 593047), (133, 548457), (147, 496223), (247, 295323), (273, 267197), (287, 254163), (343, 212667), (399, 182819), (533, 136857), (637, 114513), (741, 98441), (779, 93639), (861, 84721), (931, 78351), (1029, 70889), (1599, 45619), (1729, 42189), (1911, 38171), (2009, 36309), (2337, 31213), (2401, 30381), (2793, 26117), (3731, 19551), (4459, 16359), (5187, 14063), (5453, 13377), (6027, 12103), (6517, 11193), (7203, 10127)]