207642705

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{2383}}^1$

素因数の和:2585

約数の個数: 32

約数和(自身を含む): 343524864

約数和(自身を除く): 135882159

約数列:

[1, 3, 5, 15, 37, 111, 157, 185, 471, 555, 785, 2355, 2383, 5809, 7149, 11915, 17427, 29045, 35745, 87135, 88171, 264513, 374131, 440855, 1122393, 1322565, 1870655, 5611965, 13842847, 41528541, 69214235, 207642705]

約数ペア:

[(1, 207642705), (3, 69214235), (5, 41528541), (15, 13842847), (37, 5611965), (111, 1870655), (157, 1322565), (185, 1122393), (471, 440855), (555, 374131), (785, 264513), (2355, 88171), (2383, 87135), (5809, 35745), (7149, 29045), (11915, 17427)]