720283527

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 1101609600

約数和(自身を除く): 381326073

約数列:

[1, 3, 9, 29, 79, 87, 181, 193, 237, 261, 543, 579, 711, 1629, 1737, 2291, 5249, 5597, 6873, 14299, 15247, 15747, 16791, 20619, 34933, 42897, 45741, 47241, 50373, 104799, 128691, 137223, 314397, 414671, 442163, 1013057, 1244013, 1326489, 2759707, 3039171, 3732039, 3979467, 8279121, 9117513, 24837363, 80031503, 240094509, 720283527]

約数ペア:

[(1, 720283527), (3, 240094509), (9, 80031503), (29, 24837363), (79, 9117513), (87, 8279121), (181, 3979467), (193, 3732039), (237, 3039171), (261, 2759707), (543, 1326489), (579, 1244013), (711, 1013057), (1629, 442163), (1737, 414671), (2291, 314397), (5249, 137223), (5597, 128691), (6873, 104799), (14299, 50373), (15247, 47241), (15747, 45741), (16791, 42897), (20619, 34933)]