25321887

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 37787568

約数和(自身を除く): 12465681

約数列:

[1, 3, 9, 41, 123, 163, 369, 421, 489, 1263, 1467, 3789, 6683, 17261, 20049, 51783, 60147, 68623, 155349, 205869, 617607, 2813543, 8440629, 25321887]

約数ペア:

[(1, 25321887), (3, 8440629), (9, 2813543), (41, 617607), (123, 205869), (163, 155349), (369, 68623), (421, 60147), (489, 51783), (1263, 20049), (1467, 17261), (3789, 6683)]