13996605

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 26429760

約数和(自身を除く): 12433155

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 137, 139, 147, 245, 411, 417, 685, 695, 735, 959, 973, 2055, 2085, 2877, 2919, 4795, 4865, 6713, 6811, 14385, 14595, 19043, 20139, 20433, 33565, 34055, 57129, 95215, 100695, 102165, 133301, 285645, 399903, 666505, 933107, 1999515, 2799321, 4665535, 13996605]

約数ペア:

[(1, 13996605), (3, 4665535), (5, 2799321), (7, 1999515), (15, 933107), (21, 666505), (35, 399903), (49, 285645), (105, 133301), (137, 102165), (139, 100695), (147, 95215), (245, 57129), (411, 34055), (417, 33565), (685, 20433), (695, 20139), (735, 19043), (959, 14595), (973, 14385), (2055, 6811), (2085, 6713), (2877, 4865), (2919, 4795)]