679702995

素因数分解:

$3^4\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2539}}^1$

素因数の和:3217

約数の個数: 40

約数和(自身を含む): 1220754480

約数和(自身を除く): 541051485

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 661, 1983, 2539, 3305, 5949, 7617, 9915, 12695, 17847, 22851, 29745, 38085, 53541, 68553, 89235, 114255, 205659, 267705, 342765, 1028295, 1678279, 5034837, 8391395, 15104511, 25174185, 45313533, 75522555, 135940599, 226567665, 679702995]

約数ペア:

[(1, 679702995), (3, 226567665), (5, 135940599), (9, 75522555), (15, 45313533), (27, 25174185), (45, 15104511), (81, 8391395), (135, 5034837), (405, 1678279), (661, 1028295), (1983, 342765), (2539, 267705), (3305, 205659), (5949, 114255), (7617, 89235), (9915, 68553), (12695, 53541), (17847, 38085), (22851, 29745)]