31555251

素因数分解:

$3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1427}}^1$

素因数の和:1462

約数の個数: 48

約数和(自身を含む): 58216704

約数和(自身を除く): 26661453

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 243, 273, 351, 567, 819, 1053, 1427, 1701, 2457, 3159, 4281, 7371, 9989, 12843, 18551, 22113, 29967, 38529, 55653, 89901, 115587, 129857, 166959, 269703, 346761, 389571, 500877, 809109, 1168713, 1502631, 2427327, 3506139, 4507893, 10518417, 31555251]

約数ペア:

[(1, 31555251), (3, 10518417), (7, 4507893), (9, 3506139), (13, 2427327), (21, 1502631), (27, 1168713), (39, 809109), (63, 500877), (81, 389571), (91, 346761), (117, 269703), (189, 166959), (243, 129857), (273, 115587), (351, 89901), (567, 55653), (819, 38529), (1053, 29967), (1427, 22113), (1701, 18551), (2457, 12843), (3159, 9989), (4281, 7371)]