31927869

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{821}}^1$

素因数の和:1005

約数の個数: 24

約数和(自身を含む): 48087000

約数和(自身を除く): 16159131

約数列:

[1, 3, 9, 29, 87, 149, 261, 447, 821, 1341, 2463, 4321, 7389, 12963, 23809, 38889, 71427, 122329, 214281, 366987, 1100961, 3547541, 10642623, 31927869]

約数ペア:

[(1, 31927869), (3, 10642623), (9, 3547541), (29, 1100961), (87, 366987), (149, 214281), (261, 122329), (447, 71427), (821, 38889), (1341, 23809), (2463, 12963), (4321, 7389)]