128192589

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{599}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 219648000

約数和(自身を除く): 91455411

約数列:

[1, 3, 7, 9, 21, 43, 63, 79, 129, 237, 301, 387, 553, 599, 711, 903, 1659, 1797, 2709, 3397, 4193, 4977, 5391, 10191, 12579, 23779, 25757, 30573, 37737, 47321, 71337, 77271, 141963, 180299, 214011, 231813, 331247, 425889, 540897, 993741, 1622691, 2034803, 2981223, 6104409, 14243621, 18313227, 42730863, 128192589]

約数ペア:

[(1, 128192589), (3, 42730863), (7, 18313227), (9, 14243621), (21, 6104409), (43, 2981223), (63, 2034803), (79, 1622691), (129, 993741), (237, 540897), (301, 425889), (387, 331247), (553, 231813), (599, 214011), (711, 180299), (903, 141963), (1659, 77271), (1797, 71337), (2709, 47321), (3397, 37737), (4193, 30573), (4977, 25757), (5391, 23779), (10191, 12579)]