331075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:87

約数の個数: 24

約数和(自身を含む): 468720

約数和(自身を除く): 137645

約数列:

[1, 5, 17, 19, 25, 41, 85, 95, 205, 323, 425, 475, 697, 779, 1025, 1615, 3485, 3895, 8075, 13243, 17425, 19475, 66215, 331075]

約数ペア:

[(1, 331075), (5, 66215), (17, 19475), (19, 17425), (25, 13243), (41, 8075), (85, 3895), (95, 3485), (205, 1615), (323, 1025), (425, 779), (475, 697)]