31261671

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16007}}^1$

素因数の和:16051

約数の個数: 24

約数和(自身を含む): 53274624

約数和(自身を除く): 22012953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 16007, 48021, 112049, 144063, 336147, 496217, 1008441, 1488651, 3473519, 4465953, 10420557, 31261671]

約数ペア:

[(1, 31261671), (3, 10420557), (7, 4465953), (9, 3473519), (21, 1488651), (31, 1008441), (63, 496217), (93, 336147), (217, 144063), (279, 112049), (651, 48021), (1953, 16007)]