289450125

素因数分解:

$3^3\times 5^3\times {\mathrm{139}}^1\times {\mathrm{617}}^1$

素因数の和:780

約数の個数: 64

約数和(自身を含む): 539884800

約数和(自身を除く): 250434675

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 139, 225, 375, 417, 617, 675, 695, 1125, 1251, 1851, 2085, 3085, 3375, 3475, 3753, 5553, 6255, 9255, 10425, 15425, 16659, 17375, 18765, 27765, 31275, 46275, 52125, 77125, 83295, 85763, 93825, 138825, 156375, 231375, 257289, 416475, 428815, 469125, 694125, 771867, 1286445, 2082375, 2144075, 2315601, 3859335, 6432225, 10720375, 11578005, 19296675, 32161125, 57890025, 96483375, 289450125]

約数ペア:

[(1, 289450125), (3, 96483375), (5, 57890025), (9, 32161125), (15, 19296675), (25, 11578005), (27, 10720375), (45, 6432225), (75, 3859335), (125, 2315601), (135, 2144075), (139, 2082375), (225, 1286445), (375, 771867), (417, 694125), (617, 469125), (675, 428815), (695, 416475), (1125, 257289), (1251, 231375), (1851, 156375), (2085, 138825), (3085, 93825), (3375, 85763), (3475, 83295), (3753, 77125), (5553, 52125), (6255, 46275), (9255, 31275), (10425, 27765), (15425, 18765), (16659, 17375)]