20100231

素因数分解:

$3^5\times {\mathrm{181}}^1\times {\mathrm{457}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 30341584

約数和(自身を除く): 10241353

約数列:

[1, 3, 9, 27, 81, 181, 243, 457, 543, 1371, 1629, 4113, 4887, 12339, 14661, 37017, 43983, 82717, 111051, 248151, 744453, 2233359, 6700077, 20100231]

約数ペア:

[(1, 20100231), (3, 6700077), (9, 2233359), (27, 744453), (81, 248151), (181, 111051), (243, 82717), (457, 43983), (543, 37017), (1371, 14661), (1629, 12339), (4113, 4887)]