388572309

素因数分解:

$3^6\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:273

約数の個数: 56

約数和(自身を含む): 605565720

約数和(自身を除く): 216993411

約数列:

[1, 3, 9, 27, 53, 81, 89, 113, 159, 243, 267, 339, 477, 729, 801, 1017, 1431, 2403, 3051, 4293, 4717, 5989, 7209, 9153, 10057, 12879, 14151, 17967, 21627, 27459, 30171, 38637, 42453, 53901, 64881, 82377, 90513, 127359, 161703, 271539, 382077, 485109, 533021, 814617, 1146231, 1455327, 1599063, 2443851, 3438693, 4365981, 4797189, 7331553, 14391567, 43174701, 129524103, 388572309]

約数ペア:

[(1, 388572309), (3, 129524103), (9, 43174701), (27, 14391567), (53, 7331553), (81, 4797189), (89, 4365981), (113, 3438693), (159, 2443851), (243, 1599063), (267, 1455327), (339, 1146231), (477, 814617), (729, 533021), (801, 485109), (1017, 382077), (1431, 271539), (2403, 161703), (3051, 127359), (4293, 90513), (4717, 82377), (5989, 64881), (7209, 53901), (9153, 42453), (10057, 38637), (12879, 30171), (14151, 27459), (17967, 21627)]