428625

素因数分解:

$3^3\times 5^3\times {\mathrm{127}}^1$

素因数の和:151

約数の個数: 32

約数和(自身を含む): 798720

約数和(自身を除く): 370095

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 127, 135, 225, 375, 381, 635, 675, 1125, 1143, 1905, 3175, 3375, 3429, 5715, 9525, 15875, 17145, 28575, 47625, 85725, 142875, 428625]

約数ペア:

[(1, 428625), (3, 142875), (5, 85725), (9, 47625), (15, 28575), (25, 17145), (27, 15875), (45, 9525), (75, 5715), (125, 3429), (127, 3375), (135, 3175), (225, 1905), (375, 1143), (381, 1125), (635, 675)]