31497957

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 49829760

約数和(自身を除く): 18331803

約数列:

[1, 3, 9, 17, 27, 51, 153, 163, 421, 459, 489, 1263, 1467, 2771, 3789, 4401, 7157, 8313, 11367, 21471, 24939, 64413, 68623, 74817, 193239, 205869, 617607, 1166591, 1852821, 3499773, 10499319, 31497957]

約数ペア:

[(1, 31497957), (3, 10499319), (9, 3499773), (17, 1852821), (27, 1166591), (51, 617607), (153, 205869), (163, 193239), (421, 74817), (459, 68623), (489, 64413), (1263, 24939), (1467, 21471), (2771, 11367), (3789, 8313), (4401, 7157)]