123972015

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1607}}^1$

素因数の和:1791

約数の個数: 32

約数和(自身を含む): 205309440

約数和(自身を除く): 81337425

約数列:

[1, 3, 5, 15, 37, 111, 139, 185, 417, 555, 695, 1607, 2085, 4821, 5143, 8035, 15429, 24105, 25715, 59459, 77145, 178377, 223373, 297295, 670119, 891885, 1116865, 3350595, 8264801, 24794403, 41324005, 123972015]

約数ペア:

[(1, 123972015), (3, 41324005), (5, 24794403), (15, 8264801), (37, 3350595), (111, 1116865), (139, 891885), (185, 670119), (417, 297295), (555, 223373), (695, 178377), (1607, 77145), (2085, 59459), (4821, 25715), (5143, 24105), (8035, 15429)]