16687905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 30041280

約数和(自身を除く): 13353375

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 87, 145, 169, 195, 227, 377, 435, 507, 681, 845, 1131, 1135, 1885, 2535, 2951, 3405, 4901, 5655, 6583, 8853, 14703, 14755, 19749, 24505, 32915, 38363, 44265, 73515, 85579, 98745, 115089, 191815, 256737, 427895, 575445, 1112527, 1283685, 3337581, 5562635, 16687905]

約数ペア:

[(1, 16687905), (3, 5562635), (5, 3337581), (13, 1283685), (15, 1112527), (29, 575445), (39, 427895), (65, 256737), (87, 191815), (145, 115089), (169, 98745), (195, 85579), (227, 73515), (377, 44265), (435, 38363), (507, 32915), (681, 24505), (845, 19749), (1131, 14755), (1135, 14703), (1885, 8853), (2535, 6583), (2951, 5655), (3405, 4901)]