55878255

素因数分解:

$3^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{491}}^1$

素因数の和:789

約数の個数: 40

約数和(自身を含む): 100728144

約数和(自身を除く): 44849889

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 281, 405, 491, 843, 1405, 1473, 2455, 2529, 4215, 4419, 7365, 7587, 12645, 13257, 22095, 22761, 37935, 39771, 66285, 113805, 137971, 198855, 413913, 689855, 1241739, 2069565, 3725217, 6208695, 11175651, 18626085, 55878255]

約数ペア:

[(1, 55878255), (3, 18626085), (5, 11175651), (9, 6208695), (15, 3725217), (27, 2069565), (45, 1241739), (81, 689855), (135, 413913), (281, 198855), (405, 137971), (491, 113805), (843, 66285), (1405, 39771), (1473, 37935), (2455, 22761), (2529, 22095), (4215, 13257), (4419, 12645), (7365, 7587)]