71178009

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 117774720

約数和(自身を除く): 46596711

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 229, 287, 361, 399, 687, 779, 861, 1083, 1603, 2337, 2527, 4351, 4809, 5453, 7581, 9389, 13053, 14801, 16359, 28167, 30457, 44403, 65723, 82669, 91371, 103607, 178391, 197169, 248007, 310821, 535173, 578683, 1248737, 1736049, 3389429, 3746211, 10168287, 23726003, 71178009]

約数ペア:

[(1, 71178009), (3, 23726003), (7, 10168287), (19, 3746211), (21, 3389429), (41, 1736049), (57, 1248737), (123, 578683), (133, 535173), (229, 310821), (287, 248007), (361, 197169), (399, 178391), (687, 103607), (779, 91371), (861, 82669), (1083, 65723), (1603, 44403), (2337, 30457), (2527, 28167), (4351, 16359), (4809, 14801), (5453, 13053), (7581, 9389)]