90921987

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7001}}^1$

素因数の和:7060

約数の個数: 32

約数和(自身を含む): 149002560

約数和(自身を除く): 58080573

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 999, 1443, 4329, 7001, 12987, 21003, 63009, 91013, 189027, 259037, 273039, 777111, 819117, 2331333, 2457351, 3367481, 6993999, 10102443, 30307329, 90921987]

約数ペア:

[(1, 90921987), (3, 30307329), (9, 10102443), (13, 6993999), (27, 3367481), (37, 2457351), (39, 2331333), (111, 819117), (117, 777111), (333, 273039), (351, 259037), (481, 189027), (999, 91013), (1443, 63009), (4329, 21003), (7001, 12987)]