207984231

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{253949}}^1$

素因数の和:253975

約数の個数: 24

約数和(自身を含む): 369751200

約数和(自身を除く): 161766969

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 253949, 761847, 1777643, 2285541, 3301337, 5332929, 9904011, 15998787, 23109359, 29712033, 69328077, 207984231]

約数ペア:

[(1, 207984231), (3, 69328077), (7, 29712033), (9, 23109359), (13, 15998787), (21, 9904011), (39, 5332929), (63, 3301337), (91, 2285541), (117, 1777643), (273, 761847), (819, 253949)]