143955

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{457}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 285792

約数和(自身を除く): 141837

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 457, 1371, 2285, 3199, 4113, 6855, 9597, 15995, 20565, 28791, 47985, 143955]

約数ペア:

[(1, 143955), (3, 47985), (5, 28791), (7, 20565), (9, 15995), (15, 9597), (21, 6855), (35, 4113), (45, 3199), (63, 2285), (105, 1371), (315, 457)]