27689805

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{331}}^1$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 56867616

約数和(自身を除く): 29177811

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 39, 45, 55, 65, 99, 117, 143, 165, 169, 195, 331, 429, 495, 507, 585, 715, 845, 993, 1287, 1521, 1655, 1859, 2145, 2535, 2979, 3641, 4303, 4965, 5577, 6435, 7605, 9295, 10923, 12909, 14895, 16731, 18205, 21515, 27885, 32769, 38727, 47333, 54615, 55939, 64545, 83655, 141999, 163845, 167817, 193635, 236665, 279695, 425997, 503451, 615329, 709995, 839085, 1845987, 2129985, 2517255, 3076645, 5537961, 9229935, 27689805]

約数ペア:

[(1, 27689805), (3, 9229935), (5, 5537961), (9, 3076645), (11, 2517255), (13, 2129985), (15, 1845987), (33, 839085), (39, 709995), (45, 615329), (55, 503451), (65, 425997), (99, 279695), (117, 236665), (143, 193635), (165, 167817), (169, 163845), (195, 141999), (331, 83655), (429, 64545), (495, 55939), (507, 54615), (585, 47333), (715, 38727), (845, 32769), (993, 27885), (1287, 21515), (1521, 18205), (1655, 16731), (1859, 14895), (2145, 12909), (2535, 10923), (2979, 9295), (3641, 7605), (4303, 6435), (4965, 5577)]