213647535

素因数分解:

$3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{11959}}^1$

素因数の和:12367

約数の個数: 24

約数和(自身を含む): 371286240

約数和(自身を除く): 157638705

約数列:

[1, 3, 5, 9, 15, 45, 397, 1191, 1985, 3573, 5955, 11959, 17865, 35877, 59795, 107631, 179385, 538155, 4747723, 14243169, 23738615, 42729507, 71215845, 213647535]

約数ペア:

[(1, 213647535), (3, 71215845), (5, 42729507), (9, 23738615), (15, 14243169), (45, 4747723), (397, 538155), (1191, 179385), (1985, 107631), (3573, 59795), (5955, 35877), (11959, 17865)]