131403783

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{421}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 204180480

約数和(自身を除く): 72776697

約数列:

[1, 3, 7, 21, 89, 167, 267, 421, 501, 623, 1169, 1263, 1869, 2947, 3507, 8841, 14863, 37469, 44589, 70307, 104041, 112407, 210921, 262283, 312123, 492149, 786849, 1476447, 6257323, 18771969, 43801261, 131403783]

約数ペア:

[(1, 131403783), (3, 43801261), (7, 18771969), (21, 6257323), (89, 1476447), (167, 786849), (267, 492149), (421, 312123), (501, 262283), (623, 210921), (1169, 112407), (1263, 104041), (1869, 70307), (2947, 44589), (3507, 37469), (8841, 14863)]