42781491

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{269}}^1\times {\mathrm{431}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 63685440

約数和(自身を除く): 20903949

約数列:

[1, 3, 9, 41, 123, 269, 369, 431, 807, 1293, 2421, 3879, 11029, 17671, 33087, 53013, 99261, 115939, 159039, 347817, 1043451, 4753499, 14260497, 42781491]

約数ペア:

[(1, 42781491), (3, 14260497), (9, 4753499), (41, 1043451), (123, 347817), (269, 159039), (369, 115939), (431, 99261), (807, 53013), (1293, 33087), (2421, 17671), (3879, 11029)]