31296213

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{9907}}^1$

素因数の和:9935

約数の個数: 24

約数和(自身を含む): 50491168

約数和(自身を除く): 19194955

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 9907, 29721, 89163, 128791, 267489, 386373, 802467, 1159119, 2407401, 3477357, 10432071, 31296213]

約数ペア:

[(1, 31296213), (3, 10432071), (9, 3477357), (13, 2407401), (27, 1159119), (39, 802467), (81, 386373), (117, 267489), (243, 128791), (351, 89163), (1053, 29721), (3159, 9907)]