13315675

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:160

約数の個数: 36

約数和(自身を含む): 18653320

約数和(自身を除く): 5337645

約数列:

[1, 5, 17, 19, 25, 85, 95, 97, 289, 323, 425, 475, 485, 1445, 1615, 1649, 1843, 2425, 5491, 7225, 8075, 8245, 9215, 27455, 28033, 31331, 41225, 46075, 137275, 140165, 156655, 532627, 700825, 783275, 2663135, 13315675]

約数ペア:

[(1, 13315675), (5, 2663135), (17, 783275), (19, 700825), (25, 532627), (85, 156655), (95, 140165), (97, 137275), (289, 46075), (323, 41225), (425, 31331), (475, 28033), (485, 27455), (1445, 9215), (1615, 8245), (1649, 8075), (1843, 7225), (2425, 5491)]