20121203385

素因数分解:

$3^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{399587}}^1$

素因数の和:399974

約数の個数: 32

約数和(自身を含む): 35867018880

約数和(自身を除く): 15745815495

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 373, 1119, 1865, 3357, 5595, 10071, 16785, 50355, 399587, 1198761, 1997935, 3596283, 5993805, 10788849, 17981415, 53944245, 149045951, 447137853, 745229755, 1341413559, 2235689265, 4024240677, 6707067795, 20121203385]

約数ペア:

[(1, 20121203385), (3, 6707067795), (5, 4024240677), (9, 2235689265), (15, 1341413559), (27, 745229755), (45, 447137853), (135, 149045951), (373, 53944245), (1119, 17981415), (1865, 10788849), (3357, 5993805), (5595, 3596283), (10071, 1997935), (16785, 1198761), (50355, 399587)]