12857955

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{523}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 22636800

約数和(自身を除く): 9778845

約数列:

[1, 3, 5, 11, 15, 33, 55, 149, 165, 447, 523, 745, 1569, 1639, 2235, 2615, 4917, 5753, 7845, 8195, 17259, 24585, 28765, 77927, 86295, 233781, 389635, 857197, 1168905, 2571591, 4285985, 12857955]

約数ペア:

[(1, 12857955), (3, 4285985), (5, 2571591), (11, 1168905), (15, 857197), (33, 389635), (55, 233781), (149, 86295), (165, 77927), (447, 28765), (523, 24585), (745, 17259), (1569, 8195), (1639, 7845), (2235, 5753), (2615, 4917)]