72261285

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4871}}^1$

素因数の和:4945

約数の個数: 32

約数和(自身を含む): 123475968

約数和(自身を除く): 51214683

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 215, 345, 645, 989, 2967, 4871, 4945, 14613, 14835, 24355, 73065, 112033, 209453, 336099, 560165, 628359, 1047265, 1680495, 3141795, 4817419, 14452257, 24087095, 72261285]

約数ペア:

[(1, 72261285), (3, 24087095), (5, 14452257), (15, 4817419), (23, 3141795), (43, 1680495), (69, 1047265), (115, 628359), (129, 560165), (215, 336099), (345, 209453), (645, 112033), (989, 73065), (2967, 24355), (4871, 14835), (4945, 14613)]