289771641

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{599}}^1$

素因数の和:691

約数の個数: 64

約数和(自身を含む): 483840000

約数和(自身を除く): 194068359

約数列:

[1, 3, 9, 19, 23, 27, 41, 57, 69, 123, 171, 207, 369, 437, 513, 599, 621, 779, 943, 1107, 1311, 1797, 2337, 2829, 3933, 5391, 7011, 8487, 11381, 11799, 13777, 16173, 17917, 21033, 24559, 25461, 34143, 41331, 53751, 73677, 102429, 123993, 161253, 221031, 261763, 307287, 371979, 466621, 483759, 564857, 663093, 785289, 1399863, 1694571, 2355867, 4199589, 5083713, 7067601, 10732283, 12598767, 15251139, 32196849, 96590547, 289771641]

約数ペア:

[(1, 289771641), (3, 96590547), (9, 32196849), (19, 15251139), (23, 12598767), (27, 10732283), (41, 7067601), (57, 5083713), (69, 4199589), (123, 2355867), (171, 1694571), (207, 1399863), (369, 785289), (437, 663093), (513, 564857), (599, 483759), (621, 466621), (779, 371979), (943, 307287), (1107, 261763), (1311, 221031), (1797, 161253), (2337, 123993), (2829, 102429), (3933, 73677), (5391, 53751), (7011, 41331), (8487, 34143), (11381, 25461), (11799, 24559), (13777, 21033), (16173, 17917)]