280335489

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{569}}^1\times {\mathrm{809}}^1$

素因数の和:1417

約数の個数: 32

約数和(自身を含む): 443232000

約数和(自身を除く): 162896511

約数列:

[1, 3, 7, 21, 29, 87, 203, 569, 609, 809, 1707, 2427, 3983, 5663, 11949, 16501, 16989, 23461, 49503, 70383, 115507, 164227, 346521, 460321, 492681, 1380963, 3222247, 9666741, 13349309, 40047927, 93445163, 280335489]

約数ペア:

[(1, 280335489), (3, 93445163), (7, 40047927), (21, 13349309), (29, 9666741), (87, 3222247), (203, 1380963), (569, 492681), (609, 460321), (809, 346521), (1707, 164227), (2427, 115507), (3983, 70383), (5663, 49503), (11949, 23461), (16501, 16989)]