72871197

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 124084224

約数和(自身を除く): 51213027

約数列:

[1, 3, 7, 17, 21, 43, 47, 51, 101, 119, 129, 141, 301, 303, 329, 357, 707, 731, 799, 903, 987, 1717, 2021, 2121, 2193, 2397, 4343, 4747, 5117, 5151, 5593, 6063, 12019, 13029, 14147, 14241, 15351, 16779, 30401, 33229, 34357, 36057, 42441, 73831, 80699, 91203, 99687, 103071, 204121, 221493, 240499, 242097, 516817, 564893, 612363, 721497, 1428847, 1550451, 1694679, 3470057, 4286541, 10410171, 24290399, 72871197]

約数ペア:

[(1, 72871197), (3, 24290399), (7, 10410171), (17, 4286541), (21, 3470057), (43, 1694679), (47, 1550451), (51, 1428847), (101, 721497), (119, 612363), (129, 564893), (141, 516817), (301, 242097), (303, 240499), (329, 221493), (357, 204121), (707, 103071), (731, 99687), (799, 91203), (903, 80699), (987, 73831), (1717, 42441), (2021, 36057), (2121, 34357), (2193, 33229), (2397, 30401), (4343, 16779), (4747, 15351), (5117, 14241), (5151, 14147), (5593, 13029), (6063, 12019)]