66712779

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{6121}}^1$

素因数の和:6307

約数の個数: 24

約数和(自身を含む): 110783712

約数和(自身を除く): 44070933

約数列:

[1, 3, 7, 9, 21, 63, 173, 519, 1211, 1557, 3633, 6121, 10899, 18363, 42847, 55089, 128541, 385623, 1058933, 3176799, 7412531, 9530397, 22237593, 66712779]

約数ペア:

[(1, 66712779), (3, 22237593), (7, 9530397), (9, 7412531), (21, 3176799), (63, 1058933), (173, 385623), (519, 128541), (1211, 55089), (1557, 42847), (3633, 18363), (6121, 10899)]