645366969

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{51551}}^1$

素因数の和:51677

約数の個数: 24

約数和(自身を含む): 1013306112

約数和(自身を除く): 367939143

約数列:

[1, 3, 9, 13, 39, 107, 117, 321, 963, 1391, 4173, 12519, 51551, 154653, 463959, 670163, 2010489, 5515957, 6031467, 16547871, 49643613, 71707441, 215122323, 645366969]

約数ペア:

[(1, 645366969), (3, 215122323), (9, 71707441), (13, 49643613), (39, 16547871), (107, 6031467), (117, 5515957), (321, 2010489), (963, 670163), (1391, 463959), (4173, 154653), (12519, 51551)]