389655165

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{4547}}^1$

素因数の和:4781

約数の個数: 32

約数和(自身を含む): 648362880

約数和(自身を除く): 258707715

約数列:

[1, 3, 5, 15, 29, 87, 145, 197, 435, 591, 985, 2955, 4547, 5713, 13641, 17139, 22735, 28565, 68205, 85695, 131863, 395589, 659315, 895759, 1977945, 2687277, 4478795, 13436385, 25977011, 77931033, 129885055, 389655165]

約数ペア:

[(1, 389655165), (3, 129885055), (5, 77931033), (15, 25977011), (29, 13436385), (87, 4478795), (145, 2687277), (197, 1977945), (435, 895759), (591, 659315), (985, 395589), (2955, 131863), (4547, 85695), (5713, 68205), (13641, 28565), (17139, 22735)]