851105

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 24

約数和(自身を含む): 1178880

約数和(自身を除く): 327775

約数列:

[1, 5, 17, 19, 31, 85, 95, 155, 289, 323, 527, 589, 1445, 1615, 2635, 2945, 5491, 8959, 10013, 27455, 44795, 50065, 170221, 851105]

約数ペア:

[(1, 851105), (5, 170221), (17, 50065), (19, 44795), (31, 27455), (85, 10013), (95, 8959), (155, 5491), (289, 2945), (323, 2635), (527, 1615), (589, 1445)]