398385

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1$

素因数の和:254

約数の個数: 32

約数和(自身を含む): 766080

約数和(自身を除く): 367695

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 227, 351, 585, 681, 1135, 1755, 2043, 2951, 3405, 6129, 8853, 10215, 14755, 26559, 30645, 44265, 79677, 132795, 398385]

約数ペア:

[(1, 398385), (3, 132795), (5, 79677), (9, 44265), (13, 30645), (15, 26559), (27, 14755), (39, 10215), (45, 8853), (65, 6129), (117, 3405), (135, 2951), (195, 2043), (227, 1755), (351, 1135), (585, 681)]