25221885

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{613}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 43736448

約数和(自身を除く): 18514563

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 211, 613, 633, 1055, 1839, 2743, 3065, 3165, 7969, 8229, 9195, 13715, 23907, 39845, 41145, 119535, 129343, 388029, 646715, 1681459, 1940145, 5044377, 8407295, 25221885]

約数ペア:

[(1, 25221885), (3, 8407295), (5, 5044377), (13, 1940145), (15, 1681459), (39, 646715), (65, 388029), (195, 129343), (211, 119535), (613, 41145), (633, 39845), (1055, 23907), (1839, 13715), (2743, 9195), (3065, 8229), (3165, 7969)]