138620139

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{1229}}^1$

素因数の和:1411

約数の個数: 32

約数和(自身を含む): 218211840

約数和(自身を除く): 79591701

約数列:

[1, 3, 7, 21, 41, 123, 131, 287, 393, 861, 917, 1229, 2751, 3687, 5371, 8603, 16113, 25809, 37597, 50389, 112791, 151167, 160999, 352723, 482997, 1058169, 1126993, 3380979, 6600959, 19802877, 46206713, 138620139]

約数ペア:

[(1, 138620139), (3, 46206713), (7, 19802877), (21, 6600959), (41, 3380979), (123, 1126993), (131, 1058169), (287, 482997), (393, 352723), (861, 160999), (917, 151167), (1229, 112791), (2751, 50389), (3687, 37597), (5371, 25809), (8603, 16113)]