521995971

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2531}}^1$

素因数の和:2632

約数の個数: 48

約数和(自身を含む): 859016448

約数和(自身を除く): 337020477

約数列:

[1, 3, 7, 21, 23, 49, 61, 69, 147, 161, 183, 427, 483, 1127, 1281, 1403, 2531, 2989, 3381, 4209, 7593, 8967, 9821, 17717, 29463, 53151, 58213, 68747, 124019, 154391, 174639, 206241, 372057, 407491, 463173, 1080737, 1222473, 2852437, 3242211, 3550993, 7565159, 8557311, 10652979, 22695477, 24856951, 74570853, 173998657, 521995971]

約数ペア:

[(1, 521995971), (3, 173998657), (7, 74570853), (21, 24856951), (23, 22695477), (49, 10652979), (61, 8557311), (69, 7565159), (147, 3550993), (161, 3242211), (183, 2852437), (427, 1222473), (483, 1080737), (1127, 463173), (1281, 407491), (1403, 372057), (2531, 206241), (2989, 174639), (3381, 154391), (4209, 124019), (7593, 68747), (8967, 58213), (9821, 53151), (17717, 29463)]