221555790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{820577}}^1$

素因数の和:820593

約数の個数: 32

約数和(自身を含む): 590816160

約数和(自身を除く): 369260370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 820577, 1641154, 2461731, 4102885, 4923462, 7385193, 8205770, 12308655, 14770386, 22155579, 24617310, 36925965, 44311158, 73851930, 110777895, 221555790]

約数ペア:

[(1, 221555790), (2, 110777895), (3, 73851930), (5, 44311158), (6, 36925965), (9, 24617310), (10, 22155579), (15, 14770386), (18, 12308655), (27, 8205770), (30, 7385193), (45, 4923462), (54, 4102885), (90, 2461731), (135, 1641154), (270, 820577)]