218219235

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{1693}}^1$

素因数の和:2375

約数の個数: 32

約数和(自身を含む): 376799808

約数和(自身を除く): 158580573

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 661, 1693, 1983, 3305, 5079, 8465, 8593, 9915, 22009, 25395, 25779, 42965, 66027, 110045, 128895, 330135, 1119073, 3357219, 5595365, 14547949, 16786095, 43643847, 72739745, 218219235]

約数ペア:

[(1, 218219235), (3, 72739745), (5, 43643847), (13, 16786095), (15, 14547949), (39, 5595365), (65, 3357219), (195, 1119073), (661, 330135), (1693, 128895), (1983, 110045), (3305, 66027), (5079, 42965), (8465, 25779), (8593, 25395), (9915, 22009)]