87756291

素因数分解:

$3^6\times 7^1\times {\mathrm{29}}^1\times {\mathrm{593}}^1$

素因数の和:647

約数の個数: 56

約数和(自身を含む): 155818080

約数和(自身を除く): 68061789

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 243, 261, 567, 593, 609, 729, 783, 1701, 1779, 1827, 2349, 4151, 5103, 5337, 5481, 7047, 12453, 16011, 16443, 17197, 21141, 37359, 48033, 49329, 51591, 112077, 120379, 144099, 147987, 154773, 336231, 361137, 432297, 464319, 1008693, 1083411, 1392957, 3026079, 3250233, 4178871, 9750699, 12536613, 29252097, 87756291]

約数ペア:

[(1, 87756291), (3, 29252097), (7, 12536613), (9, 9750699), (21, 4178871), (27, 3250233), (29, 3026079), (63, 1392957), (81, 1083411), (87, 1008693), (189, 464319), (203, 432297), (243, 361137), (261, 336231), (567, 154773), (593, 147987), (609, 144099), (729, 120379), (783, 112077), (1701, 51591), (1779, 49329), (1827, 48033), (2349, 37359), (4151, 21141), (5103, 17197), (5337, 16443), (5481, 16011), (7047, 12453)]