55797255

素因数分解:

$3^4\times 5^1\times {\mathrm{137771}}^1$

素因数の和:137788

約数の個数: 20

約数和(自身を含む): 100022472

約数和(自身を除く): 44225217

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 137771, 413313, 688855, 1239939, 2066565, 3719817, 6199695, 11159451, 18599085, 55797255]

約数ペア:

[(1, 55797255), (3, 18599085), (5, 11159451), (9, 6199695), (15, 3719817), (27, 2066565), (45, 1239939), (81, 688855), (135, 413313), (405, 137771)]