1630725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1279}}^1$

素因数の和:1309

約数の個数: 24

約数和(自身を含む): 2856960

約数和(自身を除く): 1226235

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 1279, 3837, 6395, 19185, 21743, 31975, 65229, 95925, 108715, 326145, 543575, 1630725]

約数ペア:

[(1, 1630725), (3, 543575), (5, 326145), (15, 108715), (17, 95925), (25, 65229), (51, 31975), (75, 21743), (85, 19185), (255, 6395), (425, 3837), (1275, 1279)]