55573695

素因数分解:

$3^4\times 5^1\times {\mathrm{137219}}^1$

素因数の和:137236

約数の個数: 20

約数和(自身を含む): 99621720

約数和(自身を除く): 44048025

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 137219, 411657, 686095, 1234971, 2058285, 3704913, 6174855, 11114739, 18524565, 55573695]

約数ペア:

[(1, 55573695), (3, 18524565), (5, 11114739), (9, 6174855), (15, 3704913), (27, 2058285), (45, 1234971), (81, 686095), (135, 411657), (405, 137219)]