25515909

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 37956672

約数和(自身を除く): 12440763

約数列:

[1, 3, 9, 71, 73, 213, 219, 547, 639, 657, 1641, 4923, 5183, 15549, 38837, 39931, 46647, 116511, 119793, 349533, 359379, 2835101, 8505303, 25515909]

約数ペア:

[(1, 25515909), (3, 8505303), (9, 2835101), (71, 359379), (73, 349533), (213, 119793), (219, 116511), (547, 46647), (639, 39931), (657, 38837), (1641, 15549), (4923, 5183)]