31219605

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{6869}}^1$

素因数の和:6981

約数の個数: 24

約数和(自身を含む): 54657720

約数和(自身を除く): 23438115

約数列:

[1, 3, 5, 9, 15, 45, 101, 303, 505, 909, 1515, 4545, 6869, 20607, 34345, 61821, 103035, 309105, 693769, 2081307, 3468845, 6243921, 10406535, 31219605]

約数ペア:

[(1, 31219605), (3, 10406535), (5, 6243921), (9, 3468845), (15, 2081307), (45, 693769), (101, 309105), (303, 103035), (505, 61821), (909, 34345), (1515, 20607), (4545, 6869)]