217888965

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{16871}}^1$

素因数の和:16930

約数の個数: 48

約数和(自身を含む): 442181376

約数和(自身を除く): 224292411

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 45, 63, 105, 123, 205, 287, 315, 369, 615, 861, 1435, 1845, 2583, 4305, 12915, 16871, 50613, 84355, 118097, 151839, 253065, 354291, 590485, 691711, 759195, 1062873, 1771455, 2075133, 3458555, 4841977, 5314365, 6225399, 10375665, 14525931, 24209885, 31126995, 43577793, 72629655, 217888965]

約数ペア:

[(1, 217888965), (3, 72629655), (5, 43577793), (7, 31126995), (9, 24209885), (15, 14525931), (21, 10375665), (35, 6225399), (41, 5314365), (45, 4841977), (63, 3458555), (105, 2075133), (123, 1771455), (205, 1062873), (287, 759195), (315, 691711), (369, 590485), (615, 354291), (861, 253065), (1435, 151839), (1845, 118097), (2583, 84355), (4305, 50613), (12915, 16871)]