661073007

素因数分解:

$3^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{251}}^1\times {\mathrm{751}}^1$

素因数の和:1179

約数の個数: 32

約数和(自身を含む): 1018773504

約数和(自身を除く): 357700497

約数列:

[1, 3, 7, 21, 167, 251, 501, 751, 753, 1169, 1757, 2253, 3507, 5257, 5271, 15771, 41917, 125417, 125751, 188501, 293419, 376251, 565503, 877919, 880257, 1319507, 2633757, 3958521, 31479667, 94439001, 220357669, 661073007]

約数ペア:

[(1, 661073007), (3, 220357669), (7, 94439001), (21, 31479667), (167, 3958521), (251, 2633757), (501, 1319507), (751, 880257), (753, 877919), (1169, 565503), (1757, 376251), (2253, 293419), (3507, 188501), (5257, 125751), (5271, 125417), (15771, 41917)]