1218735

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 2493504

約数和(自身を除く): 1274769

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 53, 63, 73, 105, 159, 219, 265, 315, 365, 371, 477, 511, 657, 795, 1095, 1113, 1533, 1855, 2385, 2555, 3285, 3339, 3869, 4599, 5565, 7665, 11607, 16695, 19345, 22995, 27083, 34821, 58035, 81249, 135415, 174105, 243747, 406245, 1218735]

約数ペア:

[(1, 1218735), (3, 406245), (5, 243747), (7, 174105), (9, 135415), (15, 81249), (21, 58035), (35, 34821), (45, 27083), (53, 22995), (63, 19345), (73, 16695), (105, 11607), (159, 7665), (219, 5565), (265, 4599), (315, 3869), (365, 3339), (371, 3285), (477, 2555), (511, 2385), (657, 1855), (795, 1533), (1095, 1113)]