39940047

素因数分解:

$3^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{347}}^1$

素因数の和:402

約数の個数: 60

約数和(自身を含む): 72004680

約数和(自身を除く): 32064633

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 81, 87, 147, 189, 203, 261, 347, 441, 567, 609, 783, 1041, 1323, 1421, 1827, 2349, 2429, 3123, 3969, 4263, 5481, 7287, 9369, 10063, 12789, 16443, 17003, 21861, 28107, 30189, 38367, 51009, 65583, 70441, 90567, 115101, 153027, 196749, 211323, 271701, 459081, 493087, 633969, 815103, 1377243, 1479261, 1901907, 4437783, 5705721, 13313349, 39940047]

約数ペア:

[(1, 39940047), (3, 13313349), (7, 5705721), (9, 4437783), (21, 1901907), (27, 1479261), (29, 1377243), (49, 815103), (63, 633969), (81, 493087), (87, 459081), (147, 271701), (189, 211323), (203, 196749), (261, 153027), (347, 115101), (441, 90567), (567, 70441), (609, 65583), (783, 51009), (1041, 38367), (1323, 30189), (1421, 28107), (1827, 21861), (2349, 17003), (2429, 16443), (3123, 12789), (3969, 10063), (4263, 9369), (5481, 7287)]