28813617

素因数分解:

$3^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{751}}^1$

素因数の和:803

約数の個数: 48

約数和(自身を含む): 51436800

約数和(自身を除く): 22623183

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 87, 147, 189, 203, 261, 441, 609, 751, 783, 1323, 1421, 1827, 2253, 4263, 5257, 5481, 6759, 12789, 15771, 20277, 21779, 36799, 38367, 47313, 65337, 110397, 141939, 152453, 196011, 331191, 457359, 588033, 993573, 1067171, 1372077, 3201513, 4116231, 9604539, 28813617]

約数ペア:

[(1, 28813617), (3, 9604539), (7, 4116231), (9, 3201513), (21, 1372077), (27, 1067171), (29, 993573), (49, 588033), (63, 457359), (87, 331191), (147, 196011), (189, 152453), (203, 141939), (261, 110397), (441, 65337), (609, 47313), (751, 38367), (783, 36799), (1323, 21779), (1421, 20277), (1827, 15771), (2253, 12789), (4263, 6759), (5257, 5481)]