81655635

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{12457}}^1$

素因数の和:12507

約数の個数: 32

約数和(自身を含む): 143516160

約数和(自身を除く): 61860525

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 2185, 6555, 12457, 37371, 62285, 186855, 236683, 286511, 710049, 859533, 1183415, 1432555, 3550245, 4297665, 5443709, 16331127, 27218545, 81655635]

約数ペア:

[(1, 81655635), (3, 27218545), (5, 16331127), (15, 5443709), (19, 4297665), (23, 3550245), (57, 1432555), (69, 1183415), (95, 859533), (115, 710049), (285, 286511), (345, 236683), (437, 186855), (1311, 62285), (2185, 37371), (6555, 12457)]