1278049755

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{8233}}^1$

素因数の和:8451

約数の個数: 32

約数和(自身を含む): 2086824960

約数和(自身を除く): 808775205

約数列:

[1, 3, 5, 15, 79, 131, 237, 393, 395, 655, 1185, 1965, 8233, 10349, 24699, 31047, 41165, 51745, 123495, 155235, 650407, 1078523, 1951221, 3235569, 3252035, 5392615, 9756105, 16177845, 85203317, 255609951, 426016585, 1278049755]

約数ペア:

[(1, 1278049755), (3, 426016585), (5, 255609951), (15, 85203317), (79, 16177845), (131, 9756105), (237, 5392615), (393, 3252035), (395, 3235569), (655, 1951221), (1185, 1078523), (1965, 650407), (8233, 155235), (10349, 123495), (24699, 51745), (31047, 41165)]