27880545

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 56401920

約数和(自身を除く): 28521375

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 101, 105, 165, 231, 239, 303, 385, 505, 707, 717, 1111, 1155, 1195, 1515, 1673, 2121, 2629, 3333, 3535, 3585, 5019, 5555, 7777, 7887, 8365, 10605, 13145, 16665, 18403, 23331, 24139, 25095, 38885, 39435, 55209, 72417, 92015, 116655, 120695, 168973, 265529, 276045, 362085, 506919, 796587, 844865, 1327645, 1858703, 2534595, 3982935, 5576109, 9293515, 27880545]

約数ペア:

[(1, 27880545), (3, 9293515), (5, 5576109), (7, 3982935), (11, 2534595), (15, 1858703), (21, 1327645), (33, 844865), (35, 796587), (55, 506919), (77, 362085), (101, 276045), (105, 265529), (165, 168973), (231, 120695), (239, 116655), (303, 92015), (385, 72417), (505, 55209), (707, 39435), (717, 38885), (1111, 25095), (1155, 24139), (1195, 23331), (1515, 18403), (1673, 16665), (2121, 13145), (2629, 10605), (3333, 8365), (3535, 7887), (3585, 7777), (5019, 5555)]