16988895

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4903}}^1$

素因数の和:4932

約数の個数: 48

約数和(自身を含む): 36721152

約数和(自身を除く): 19732257

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 4903, 14709, 24515, 34321, 44127, 53933, 73545, 102963, 161799, 171605, 220635, 269665, 308889, 377531, 485397, 514815, 808995, 1132593, 1544445, 1887655, 2426985, 3397779, 5662965, 16988895]

約数ペア:

[(1, 16988895), (3, 5662965), (5, 3397779), (7, 2426985), (9, 1887655), (11, 1544445), (15, 1132593), (21, 808995), (33, 514815), (35, 485397), (45, 377531), (55, 308889), (63, 269665), (77, 220635), (99, 171605), (105, 161799), (165, 102963), (231, 73545), (315, 53933), (385, 44127), (495, 34321), (693, 24515), (1155, 14709), (3465, 4903)]