31480245

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4091}}^1$

素因数の和:4127

約数の個数: 40

約数和(自身を含む): 59415840

約数和(自身を除く): 27935595

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2565, 4091, 7695, 12273, 20455, 36819, 61365, 77729, 110457, 184095, 233187, 331371, 388645, 552285, 699561, 1165935, 1656855, 2098683, 3497805, 6296049, 10493415, 31480245]

約数ペア:

[(1, 31480245), (3, 10493415), (5, 6296049), (9, 3497805), (15, 2098683), (19, 1656855), (27, 1165935), (45, 699561), (57, 552285), (81, 388645), (95, 331371), (135, 233187), (171, 184095), (285, 110457), (405, 77729), (513, 61365), (855, 36819), (1539, 20455), (2565, 12273), (4091, 7695)]