127988505

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4451}}^1$

素因数の和:4539

約数の個数: 40

約数和(自身を含む): 232714944

約数和(自身を除く): 104726439

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 1065, 1917, 3195, 4451, 5751, 9585, 13353, 22255, 28755, 40059, 66765, 120177, 200295, 316021, 360531, 600885, 948063, 1580105, 1802655, 2844189, 4740315, 8532567, 14220945, 25597701, 42662835, 127988505]

約数ペア:

[(1, 127988505), (3, 42662835), (5, 25597701), (9, 14220945), (15, 8532567), (27, 4740315), (45, 2844189), (71, 1802655), (81, 1580105), (135, 948063), (213, 600885), (355, 360531), (405, 316021), (639, 200295), (1065, 120177), (1917, 66765), (3195, 40059), (4451, 28755), (5751, 22255), (9585, 13353)]