71857359

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 125259264

約数和(自身を除く): 53401905

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 101, 161, 207, 303, 483, 491, 707, 909, 1449, 1473, 2121, 2323, 3437, 4419, 6363, 6969, 10311, 11293, 16261, 20907, 30933, 33879, 48783, 49591, 79051, 101637, 146349, 148773, 237153, 347137, 446319, 711459, 1041411, 1140593, 3124233, 3421779, 7984151, 10265337, 23952453, 71857359]

約数ペア:

[(1, 71857359), (3, 23952453), (7, 10265337), (9, 7984151), (21, 3421779), (23, 3124233), (63, 1140593), (69, 1041411), (101, 711459), (161, 446319), (207, 347137), (303, 237153), (483, 148773), (491, 146349), (707, 101637), (909, 79051), (1449, 49591), (1473, 48783), (2121, 33879), (2323, 30933), (3437, 20907), (4419, 16261), (6363, 11293), (6969, 10311)]