19975125

素因数分解:

$3^1\times 5^3\times {\mathrm{53267}}^1$

素因数の和:53285

約数の個数: 16

約数和(自身を含む): 33239232

約数和(自身を除く): 13264107

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 53267, 159801, 266335, 799005, 1331675, 3995025, 6658375, 19975125]

約数ペア:

[(1, 19975125), (3, 6658375), (5, 3995025), (15, 1331675), (25, 799005), (75, 266335), (125, 159801), (375, 53267)]