217501983

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{4903}}^1$

素因数の和:4996

約数の個数: 32

約数和(自身を含む): 338964480

約数和(自身を除く): 121462497

約数列:

[1, 3, 9, 27, 31, 53, 93, 159, 279, 477, 837, 1431, 1643, 4903, 4929, 14709, 14787, 44127, 44361, 132381, 151993, 259859, 455979, 779577, 1367937, 2338731, 4103811, 7016193, 8055629, 24166887, 72500661, 217501983]

約数ペア:

[(1, 217501983), (3, 72500661), (9, 24166887), (27, 8055629), (31, 7016193), (53, 4103811), (93, 2338731), (159, 1367937), (279, 779577), (477, 455979), (837, 259859), (1431, 151993), (1643, 132381), (4903, 44361), (4929, 44127), (14709, 14787)]