28219245

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{25771}}^1$

素因数の和:25852

約数の個数: 16

約数和(自身を含む): 45771072

約数和(自身を除く): 17551827

約数列:

[1, 3, 5, 15, 73, 219, 365, 1095, 25771, 77313, 128855, 386565, 1881283, 5643849, 9406415, 28219245]

約数ペア:

[(1, 28219245), (3, 9406415), (5, 5643849), (15, 1881283), (73, 386565), (219, 128855), (365, 77313), (1095, 25771)]