19699125

素因数分解:

$3^1\times 5^3\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:550

約数の個数: 32

約数和(自身を含む): 33111936

約数和(自身を除く): 13412811

約数列:

[1, 3, 5, 15, 25, 75, 125, 131, 375, 393, 401, 655, 1203, 1965, 2005, 3275, 6015, 9825, 10025, 16375, 30075, 49125, 50125, 52531, 150375, 157593, 262655, 787965, 1313275, 3939825, 6566375, 19699125]

約数ペア:

[(1, 19699125), (3, 6566375), (5, 3939825), (15, 1313275), (25, 787965), (75, 262655), (125, 157593), (131, 150375), (375, 52531), (393, 50125), (401, 49125), (655, 30075), (1203, 16375), (1965, 10025), (2005, 9825), (3275, 6015)]