61857747

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 113533056

約数和(自身を除く): 51675309

約数列:

[1, 3, 7, 9, 17, 21, 37, 49, 51, 63, 111, 119, 147, 153, 223, 259, 333, 357, 441, 629, 669, 777, 833, 1071, 1561, 1813, 1887, 2007, 2331, 2499, 3791, 4403, 4683, 5439, 5661, 7497, 8251, 10927, 11373, 13209, 14049, 16317, 24753, 26537, 30821, 32781, 34119, 39627, 57757, 74259, 79611, 92463, 98343, 140267, 173271, 185759, 238833, 277389, 404299, 420801, 519813, 557277, 981869, 1212897, 1262403, 1671831, 2945607, 3638691, 6873083, 8836821, 20619249, 61857747]

約数ペア:

[(1, 61857747), (3, 20619249), (7, 8836821), (9, 6873083), (17, 3638691), (21, 2945607), (37, 1671831), (49, 1262403), (51, 1212897), (63, 981869), (111, 557277), (119, 519813), (147, 420801), (153, 404299), (223, 277389), (259, 238833), (333, 185759), (357, 173271), (441, 140267), (629, 98343), (669, 92463), (777, 79611), (833, 74259), (1071, 57757), (1561, 39627), (1813, 34119), (1887, 32781), (2007, 30821), (2331, 26537), (2499, 24753), (3791, 16317), (4403, 14049), (4683, 13209), (5439, 11373), (5661, 10927), (7497, 8251)]