168115945

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^2\times {\mathrm{491}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 213205248

約数和(自身を除く): 45089303

約数列:

[1, 5, 31, 47, 155, 235, 491, 1457, 2209, 2455, 7285, 11045, 15221, 23077, 68479, 76105, 115385, 342395, 715387, 1084619, 3576935, 5423095, 33623189, 168115945]

約数ペア:

[(1, 168115945), (5, 33623189), (31, 5423095), (47, 3576935), (155, 1084619), (235, 715387), (491, 342395), (1457, 115385), (2209, 76105), (2455, 68479), (7285, 23077), (11045, 15221)]