3955445

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 5340672

約数和(自身を除く): 1385227

約数列:

[1, 5, 13, 31, 65, 151, 155, 169, 403, 755, 845, 1963, 2015, 4681, 5239, 9815, 23405, 25519, 26195, 60853, 127595, 304265, 791089, 3955445]

約数ペア:

[(1, 3955445), (5, 791089), (13, 304265), (31, 127595), (65, 60853), (151, 26195), (155, 25519), (169, 23405), (403, 9815), (755, 5239), (845, 4681), (1963, 2015)]