261367635

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{195781}}^1$

素因数の和:195878

約数の個数: 16

約数和(自身を含む): 422889120

約数和(自身を除く): 161521485

約数列:

[1, 3, 5, 15, 89, 267, 445, 1335, 195781, 587343, 978905, 2936715, 17424509, 52273527, 87122545, 261367635]

約数ペア:

[(1, 261367635), (3, 87122545), (5, 52273527), (15, 17424509), (89, 2936715), (267, 978905), (445, 587343), (1335, 195781)]