206780385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{63527}}^1$

素因数の和:63573

約数の個数: 32

約数和(自身を含む): 390316032

約数和(自身を除く): 183535647

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 63527, 190581, 317635, 444689, 952905, 1334067, 1969337, 2223445, 5908011, 6670335, 9846685, 13785359, 29540055, 41356077, 68926795, 206780385]

約数ペア:

[(1, 206780385), (3, 68926795), (5, 41356077), (7, 29540055), (15, 13785359), (21, 9846685), (31, 6670335), (35, 5908011), (93, 2223445), (105, 1969337), (155, 1334067), (217, 952905), (465, 444689), (651, 317635), (1085, 190581), (3255, 63527)]