678228765

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{15107}}^1$

素因数の和:15229

約数の個数: 32

約数和(自身を含む): 1126935936

約数和(自身を除く): 448707171

約数列:

[1, 3, 5, 15, 41, 73, 123, 205, 219, 365, 615, 1095, 2993, 8979, 14965, 15107, 44895, 45321, 75535, 226605, 619387, 1102811, 1858161, 3096935, 3308433, 5514055, 9290805, 16542165, 45215251, 135645753, 226076255, 678228765]

約数ペア:

[(1, 678228765), (3, 226076255), (5, 135645753), (15, 45215251), (41, 16542165), (73, 9290805), (123, 5514055), (205, 3308433), (219, 3096935), (365, 1858161), (615, 1102811), (1095, 619387), (2993, 226605), (8979, 75535), (14965, 45321), (15107, 44895)]