207989691

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{349}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 357504000

約数和(自身を除く): 149514309

約数列:

[1, 3, 7, 13, 21, 37, 39, 59, 91, 111, 177, 259, 273, 349, 413, 481, 767, 777, 1047, 1239, 1443, 2183, 2301, 2443, 3367, 4537, 5369, 6549, 7329, 10101, 12913, 13611, 15281, 16107, 20591, 28379, 31759, 38739, 45843, 61773, 85137, 90391, 95277, 144137, 167869, 198653, 267683, 271173, 432411, 503607, 595959, 761867, 803049, 1175083, 1873781, 2285601, 3525249, 5333069, 5621343, 9904271, 15999207, 29712813, 69329897, 207989691]

約数ペア:

[(1, 207989691), (3, 69329897), (7, 29712813), (13, 15999207), (21, 9904271), (37, 5621343), (39, 5333069), (59, 3525249), (91, 2285601), (111, 1873781), (177, 1175083), (259, 803049), (273, 761867), (349, 595959), (413, 503607), (481, 432411), (767, 271173), (777, 267683), (1047, 198653), (1239, 167869), (1443, 144137), (2183, 95277), (2301, 90391), (2443, 85137), (3367, 61773), (4537, 45843), (5369, 38739), (6549, 31759), (7329, 28379), (10101, 20591), (12913, 16107), (13611, 15281)]