242894889

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{557}}^1$

素因数の和:1118

約数の個数: 32

約数和(自身を含む): 372833280

約数和(自身を除く): 129938391

約数列:

[1, 3, 9, 27, 31, 93, 279, 521, 557, 837, 1563, 1671, 4689, 5013, 14067, 15039, 16151, 17267, 48453, 51801, 145359, 155403, 290197, 436077, 466209, 870591, 2611773, 7835319, 8996107, 26988321, 80964963, 242894889]

約数ペア:

[(1, 242894889), (3, 80964963), (9, 26988321), (27, 8996107), (31, 7835319), (93, 2611773), (279, 870591), (521, 466209), (557, 436077), (837, 290197), (1563, 155403), (1671, 145359), (4689, 51801), (5013, 48453), (14067, 17267), (15039, 16151)]