27990045

素因数分解:

$3^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{941}}^1$

素因数の和:1613

約数の個数: 24

約数和(自身を含む): 48641112

約数和(自身を除く): 20651067

約数列:

[1, 3, 5, 9, 15, 45, 661, 941, 1983, 2823, 3305, 4705, 5949, 8469, 9915, 14115, 29745, 42345, 622001, 1866003, 3110005, 5598009, 9330015, 27990045]

約数ペア:

[(1, 27990045), (3, 9330015), (5, 5598009), (9, 3110005), (15, 1866003), (45, 622001), (661, 42345), (941, 29745), (1983, 14115), (2823, 9915), (3305, 8469), (4705, 5949)]