216937275

素因数分解:

$3^1\times 5^2\times {\mathrm{757}}^1\times {\mathrm{3821}}^1$

素因数の和:4591

約数の個数: 24

約数和(自身を含む): 359237424

約数和(自身を除く): 142300149

約数列:

[1, 3, 5, 15, 25, 75, 757, 2271, 3785, 3821, 11355, 11463, 18925, 19105, 56775, 57315, 95525, 286575, 2892497, 8677491, 14462485, 43387455, 72312425, 216937275]

約数ペア:

[(1, 216937275), (3, 72312425), (5, 43387455), (15, 14462485), (25, 8677491), (75, 2892497), (757, 286575), (2271, 95525), (3785, 57315), (3821, 56775), (11355, 19105), (11463, 18925)]