17893701

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 31539456

約数和(自身を除く): 13645755

約数列:

[1, 3, 7, 9, 21, 23, 53, 63, 69, 159, 161, 207, 233, 371, 477, 483, 699, 1113, 1219, 1449, 1631, 2097, 3339, 3657, 4893, 5359, 8533, 10971, 12349, 14679, 16077, 25599, 37047, 37513, 48231, 76797, 86443, 111141, 112539, 259329, 284027, 337617, 777987, 852081, 1988189, 2556243, 5964567, 17893701]

約数ペア:

[(1, 17893701), (3, 5964567), (7, 2556243), (9, 1988189), (21, 852081), (23, 777987), (53, 337617), (63, 284027), (69, 259329), (159, 112539), (161, 111141), (207, 86443), (233, 76797), (371, 48231), (477, 37513), (483, 37047), (699, 25599), (1113, 16077), (1219, 14679), (1449, 12349), (1631, 10971), (2097, 8533), (3339, 5359), (3657, 4893)]