15768837

素因数分解:

$3^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:192

約数の個数: 60

約数和(自身を含む): 28553580

約数和(自身を除く): 12784743

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 81, 87, 137, 147, 189, 203, 261, 411, 441, 567, 609, 783, 959, 1233, 1323, 1421, 1827, 2349, 2877, 3699, 3969, 3973, 4263, 5481, 6713, 8631, 11097, 11919, 12789, 16443, 20139, 25893, 27811, 35757, 38367, 60417, 77679, 83433, 107271, 115101, 181251, 194677, 250299, 321813, 543753, 584031, 750897, 1752093, 2252691, 5256279, 15768837]

約数ペア:

[(1, 15768837), (3, 5256279), (7, 2252691), (9, 1752093), (21, 750897), (27, 584031), (29, 543753), (49, 321813), (63, 250299), (81, 194677), (87, 181251), (137, 115101), (147, 107271), (189, 83433), (203, 77679), (261, 60417), (411, 38367), (441, 35757), (567, 27811), (609, 25893), (783, 20139), (959, 16443), (1233, 12789), (1323, 11919), (1421, 11097), (1827, 8631), (2349, 6713), (2877, 5481), (3699, 4263), (3969, 3973)]