68653215

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{20899}}^1$

素因数の和:20983

約数の個数: 24

約数和(自身を含む): 120634800

約数和(自身を除く): 51981585

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 20899, 62697, 104495, 188091, 313485, 940455, 1525627, 4576881, 7628135, 13730643, 22884405, 68653215]

約数ペア:

[(1, 68653215), (3, 22884405), (5, 13730643), (9, 7628135), (15, 4576881), (45, 1525627), (73, 940455), (219, 313485), (365, 188091), (657, 104495), (1095, 62697), (3285, 20899)]