28909431

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{577}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 44182320

約数和(自身を除く): 15272889

約数列:

[1, 3, 9, 19, 57, 171, 293, 577, 879, 1731, 2637, 5193, 5567, 10963, 16701, 32889, 50103, 98667, 169061, 507183, 1521549, 3212159, 9636477, 28909431]

約数ペア:

[(1, 28909431), (3, 9636477), (9, 3212159), (19, 1521549), (57, 507183), (171, 169061), (293, 98667), (577, 50103), (879, 32889), (1731, 16701), (2637, 10963), (5193, 5567)]