261625305

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{2459}}^1$

素因数の和:2681

約数の個数: 32

約数和(自身を含む): 431464320

約数和(自身を除く): 169839015

約数列:

[1, 3, 5, 15, 41, 123, 173, 205, 519, 615, 865, 2459, 2595, 7093, 7377, 12295, 21279, 35465, 36885, 100819, 106395, 302457, 425407, 504095, 1276221, 1512285, 2127035, 6381105, 17441687, 52325061, 87208435, 261625305]

約数ペア:

[(1, 261625305), (3, 87208435), (5, 52325061), (15, 17441687), (41, 6381105), (123, 2127035), (173, 1512285), (205, 1276221), (519, 504095), (615, 425407), (865, 302457), (2459, 106395), (2595, 100819), (7093, 36885), (7377, 35465), (12295, 21279)]