890235

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 1569984

約数和(自身を除く): 679749

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 271, 365, 657, 813, 1095, 1355, 2439, 3285, 4065, 12195, 19783, 59349, 98915, 178047, 296745, 890235]

約数ペア:

[(1, 890235), (3, 296745), (5, 178047), (9, 98915), (15, 59349), (45, 19783), (73, 12195), (219, 4065), (271, 3285), (365, 2439), (657, 1355), (813, 1095)]