28296405

素因数分解:

$3^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{877}}^1$

素因数の和:1130

約数の個数: 32

約数和(自身を含む): 50572800

約数和(自身を除く): 22276395

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 239, 717, 877, 1195, 2151, 2631, 3585, 4385, 6453, 7893, 10755, 13155, 23679, 32265, 39465, 118395, 209603, 628809, 1048015, 1886427, 3144045, 5659281, 9432135, 28296405]

約数ペア:

[(1, 28296405), (3, 9432135), (5, 5659281), (9, 3144045), (15, 1886427), (27, 1048015), (45, 628809), (135, 209603), (239, 118395), (717, 39465), (877, 32265), (1195, 23679), (2151, 13155), (2631, 10755), (3585, 7893), (4385, 6453)]