81842985

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{37117}}^1$

素因数の和:37142

約数の個数: 36

約数和(自身を含む): 165026628

約数和(自身を除く): 83183643

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 37117, 111351, 185585, 259819, 334053, 556755, 779457, 1299095, 1670265, 1818733, 2338371, 3897285, 5456199, 9093665, 11691855, 16368597, 27280995, 81842985]

約数ペア:

[(1, 81842985), (3, 27280995), (5, 16368597), (7, 11691855), (9, 9093665), (15, 5456199), (21, 3897285), (35, 2338371), (45, 1818733), (49, 1670265), (63, 1299095), (105, 779457), (147, 556755), (245, 334053), (315, 259819), (441, 185585), (735, 111351), (2205, 37117)]