31529043

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 56661696

約数和(自身を除く): 25132653

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 137, 273, 281, 411, 819, 843, 959, 1233, 1781, 1967, 2529, 2877, 3653, 5343, 5901, 8631, 10959, 12467, 16029, 17703, 25571, 32877, 37401, 38497, 76713, 112203, 115491, 230139, 269479, 346473, 500461, 808437, 1501383, 2425311, 3503227, 4504149, 10509681, 31529043]

約数ペア:

[(1, 31529043), (3, 10509681), (7, 4504149), (9, 3503227), (13, 2425311), (21, 1501383), (39, 808437), (63, 500461), (91, 346473), (117, 269479), (137, 230139), (273, 115491), (281, 112203), (411, 76713), (819, 38497), (843, 37401), (959, 32877), (1233, 25571), (1781, 17703), (1967, 16029), (2529, 12467), (2877, 10959), (3653, 8631), (5343, 5901)]