729855

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{331}}^1$

素因数の和:356

約数の個数: 36

約数和(自身を含む): 1476072

約数和(自身を除く): 746217

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 331, 441, 735, 993, 1655, 2205, 2317, 2979, 4965, 6951, 11585, 14895, 16219, 20853, 34755, 48657, 81095, 104265, 145971, 243285, 729855]

約数ペア:

[(1, 729855), (3, 243285), (5, 145971), (7, 104265), (9, 81095), (15, 48657), (21, 34755), (35, 20853), (45, 16219), (49, 14895), (63, 11585), (105, 6951), (147, 4965), (245, 2979), (315, 2317), (331, 2205), (441, 1655), (735, 993)]