31871829

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 47996928

約数和(自身を除く): 16125099

約数列:

[1, 3, 11, 33, 61, 71, 183, 213, 223, 669, 671, 781, 2013, 2343, 2453, 4331, 7359, 12993, 13603, 15833, 40809, 47499, 47641, 142923, 149633, 174163, 448899, 522489, 965813, 2897439, 10623943, 31871829]

約数ペア:

[(1, 31871829), (3, 10623943), (11, 2897439), (33, 965813), (61, 522489), (71, 448899), (183, 174163), (213, 149633), (223, 142923), (669, 47641), (671, 47499), (781, 40809), (2013, 15833), (2343, 13603), (2453, 12993), (4331, 7359)]