289091925

素因数分解:

$3^2\times 5^2\times {\mathrm{719}}^1\times {\mathrm{1787}}^1$

素因数の和:2522

約数の個数: 36

約数和(自身を含む): 518806080

約数和(自身を除く): 229714155

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 719, 1787, 2157, 3595, 5361, 6471, 8935, 10785, 16083, 17975, 26805, 32355, 44675, 53925, 80415, 134025, 161775, 402075, 1284853, 3854559, 6424265, 11563677, 19272795, 32121325, 57818385, 96363975, 289091925]

約数ペア:

[(1, 289091925), (3, 96363975), (5, 57818385), (9, 32121325), (15, 19272795), (25, 11563677), (45, 6424265), (75, 3854559), (225, 1284853), (719, 402075), (1787, 161775), (2157, 134025), (3595, 80415), (5361, 53925), (6471, 44675), (8935, 32355), (10785, 26805), (16083, 17975)]