128968713

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{8669}}^1$

素因数の和:8726

約数の個数: 32

約数和(自身を含む): 208080000

約数和(自身を除く): 79111287

約数列:

[1, 3, 9, 19, 27, 29, 57, 87, 171, 261, 513, 551, 783, 1653, 4959, 8669, 14877, 26007, 78021, 164711, 234063, 251401, 494133, 754203, 1482399, 2262609, 4447197, 4776619, 6787827, 14329857, 42989571, 128968713]

約数ペア:

[(1, 128968713), (3, 42989571), (9, 14329857), (19, 6787827), (27, 4776619), (29, 4447197), (57, 2262609), (87, 1482399), (171, 754203), (261, 494133), (513, 251401), (551, 234063), (783, 164711), (1653, 78021), (4959, 26007), (8669, 14877)]