64374225

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{19961}}^1$

素因数の和:20017

約数の個数: 24

約数和(自身を含む): 108912672

約数和(自身を除く): 44538447

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 19961, 59883, 99805, 299415, 499025, 858323, 1497075, 2574969, 4291615, 12874845, 21458075, 64374225]

約数ペア:

[(1, 64374225), (3, 21458075), (5, 12874845), (15, 4291615), (25, 2574969), (43, 1497075), (75, 858323), (129, 499025), (215, 299415), (645, 99805), (1075, 59883), (3225, 19961)]