221200125

素因数分解:

$3^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{14387}}^1$

素因数の和:14446

約数の個数: 32

約数和(自身を含む): 377080704

約数和(自身を除く): 155880579

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 125, 205, 375, 615, 1025, 3075, 5125, 14387, 15375, 43161, 71935, 215805, 359675, 589867, 1079025, 1769601, 1798375, 2949335, 5395125, 8848005, 14746675, 44240025, 73733375, 221200125]

約数ペア:

[(1, 221200125), (3, 73733375), (5, 44240025), (15, 14746675), (25, 8848005), (41, 5395125), (75, 2949335), (123, 1798375), (125, 1769601), (205, 1079025), (375, 589867), (615, 359675), (1025, 215805), (3075, 71935), (5125, 43161), (14387, 15375)]