68391309

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 111957120

約数和(自身を除く): 43565811

約数列:

[1, 3, 7, 21, 29, 49, 61, 87, 147, 183, 203, 263, 427, 609, 789, 1281, 1421, 1769, 1841, 2989, 4263, 5307, 5523, 7627, 8967, 12383, 12887, 16043, 22881, 37149, 38661, 48129, 53389, 86681, 112301, 160167, 260043, 336903, 373723, 465247, 786107, 1121169, 1395741, 2358321, 3256729, 9770187, 22797103, 68391309]

約数ペア:

[(1, 68391309), (3, 22797103), (7, 9770187), (21, 3256729), (29, 2358321), (49, 1395741), (61, 1121169), (87, 786107), (147, 465247), (183, 373723), (203, 336903), (263, 260043), (427, 160167), (609, 112301), (789, 86681), (1281, 53389), (1421, 48129), (1769, 38661), (1841, 37149), (2989, 22881), (4263, 16043), (5307, 12887), (5523, 12383), (7627, 8967)]