4221225

素因数分解:

$3^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:346

約数の個数: 36

約数和(自身を含む): 7694076

約数和(自身を除く): 3472851

約数列:

[1, 3, 5, 9, 15, 25, 45, 73, 75, 219, 225, 257, 365, 657, 771, 1095, 1285, 1825, 2313, 3285, 3855, 5475, 6425, 11565, 16425, 18761, 19275, 56283, 57825, 93805, 168849, 281415, 469025, 844245, 1407075, 4221225]

約数ペア:

[(1, 4221225), (3, 1407075), (5, 844245), (9, 469025), (15, 281415), (25, 168849), (45, 93805), (73, 57825), (75, 56283), (219, 19275), (225, 18761), (257, 16425), (365, 11565), (657, 6425), (771, 5475), (1095, 3855), (1285, 3285), (1825, 2313)]