420214935

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{571721}}^1$

素因数の和:571743

約数の個数: 24

約数和(自身を含む): 782115696

約数和(自身を除く): 361900761

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 571721, 1715163, 2858605, 4002047, 8575815, 12006141, 20010235, 28014329, 60030705, 84042987, 140071645, 420214935]

約数ペア:

[(1, 420214935), (3, 140071645), (5, 84042987), (7, 60030705), (15, 28014329), (21, 20010235), (35, 12006141), (49, 8575815), (105, 4002047), (147, 2858605), (245, 1715163), (735, 571721)]