28215045

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8831}}^1$

素因数の和:8913

約数の個数: 24

約数和(自身を含む): 49600512

約数和(自身を除く): 21385467

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 8831, 26493, 44155, 79479, 132465, 397395, 627001, 1881003, 3135005, 5643009, 9405015, 28215045]

約数ペア:

[(1, 28215045), (3, 9405015), (5, 5643009), (9, 3135005), (15, 1881003), (45, 627001), (71, 397395), (213, 132465), (355, 79479), (639, 44155), (1065, 26493), (3195, 8831)]