40243905

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1047

約数の個数: 64

約数和(自身を含む): 80478720

約数和(自身を除く): 40234815

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 39, 45, 65, 69, 115, 117, 135, 195, 207, 299, 345, 351, 585, 621, 897, 997, 1035, 1495, 1755, 2691, 2991, 3105, 4485, 4985, 8073, 8973, 12961, 13455, 14955, 22931, 26919, 38883, 40365, 44865, 64805, 68793, 114655, 116649, 134595, 194415, 206379, 298103, 343965, 349947, 583245, 619137, 894309, 1031895, 1490515, 1749735, 2682927, 3095685, 4471545, 8048781, 13414635, 40243905]

約数ペア:

[(1, 40243905), (3, 13414635), (5, 8048781), (9, 4471545), (13, 3095685), (15, 2682927), (23, 1749735), (27, 1490515), (39, 1031895), (45, 894309), (65, 619137), (69, 583245), (115, 349947), (117, 343965), (135, 298103), (195, 206379), (207, 194415), (299, 134595), (345, 116649), (351, 114655), (585, 68793), (621, 64805), (897, 44865), (997, 40365), (1035, 38883), (1495, 26919), (1755, 22931), (2691, 14955), (2991, 13455), (3105, 12961), (4485, 8973), (4985, 8073)]