128837691

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{401}}^1\times {\mathrm{1231}}^1$

素因数の和:1667

約数の個数: 24

約数和(自身を含む): 193152960

約数和(自身を除く): 64315269

約数列:

[1, 3, 9, 29, 87, 261, 401, 1203, 1231, 3609, 3693, 11079, 11629, 34887, 35699, 104661, 107097, 321291, 493631, 1480893, 4442679, 14315299, 42945897, 128837691]

約数ペア:

[(1, 128837691), (3, 42945897), (9, 14315299), (29, 4442679), (87, 1480893), (261, 493631), (401, 321291), (1203, 107097), (1231, 104661), (3609, 35699), (3693, 34887), (11079, 11629)]