7991959041

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{1627}}^1$

素因数の和:1836

約数の個数: 80

約数和(自身を含む): 13473979200

約数和(自身を除く): 5482020159

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 149, 297, 333, 407, 447, 891, 999, 1221, 1341, 1627, 1639, 2997, 3663, 4023, 4881, 4917, 5513, 10989, 12069, 14643, 14751, 16539, 17897, 32967, 43929, 44253, 49617, 53691, 60199, 60643, 131787, 132759, 148851, 161073, 180597, 181929, 242423, 446553, 483219, 541791, 545787, 662189, 727269, 1449657, 1625373, 1637361, 1986567, 2181807, 2666653, 4876119, 4912083, 5959701, 6545421, 7999959, 8969651, 17879103, 19636263, 23999877, 26908953, 53637309, 71999631, 80726859, 98666161, 215998893, 242180577, 295998483, 726541731, 887995449, 2663986347, 7991959041]

約数ペア:

[(1, 7991959041), (3, 2663986347), (9, 887995449), (11, 726541731), (27, 295998483), (33, 242180577), (37, 215998893), (81, 98666161), (99, 80726859), (111, 71999631), (149, 53637309), (297, 26908953), (333, 23999877), (407, 19636263), (447, 17879103), (891, 8969651), (999, 7999959), (1221, 6545421), (1341, 5959701), (1627, 4912083), (1639, 4876119), (2997, 2666653), (3663, 2181807), (4023, 1986567), (4881, 1637361), (4917, 1625373), (5513, 1449657), (10989, 727269), (12069, 662189), (14643, 545787), (14751, 541791), (16539, 483219), (17897, 446553), (32967, 242423), (43929, 181929), (44253, 180597), (49617, 161073), (53691, 148851), (60199, 132759), (60643, 131787)]