155561211

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{28289}}^1$

素因数の和:28355

約数の個数: 24

約数和(自身を含む): 247141440

約数和(自身を除く): 91580229

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 423, 611, 1833, 5499, 28289, 84867, 254601, 367757, 1103271, 1329583, 3309813, 3988749, 11966247, 17284579, 51853737, 155561211]

約数ペア:

[(1, 155561211), (3, 51853737), (9, 17284579), (13, 11966247), (39, 3988749), (47, 3309813), (117, 1329583), (141, 1103271), (423, 367757), (611, 254601), (1833, 84867), (5499, 28289)]