79009021

素因数分解:

$7^3\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:123

約数の個数: 48

約数和(自身を含む): 105408000

約数和(自身を除く): 26398979

約数列:

[1, 7, 13, 29, 47, 49, 91, 169, 203, 329, 343, 377, 611, 637, 1183, 1363, 1421, 2303, 2639, 4277, 4459, 4901, 7943, 8281, 9541, 9947, 16121, 17719, 18473, 29939, 34307, 55601, 57967, 66787, 124033, 129311, 209573, 230347, 240149, 389207, 467509, 868231, 1612429, 1681043, 2724449, 6077617, 11287003, 79009021]

約数ペア:

[(1, 79009021), (7, 11287003), (13, 6077617), (29, 2724449), (47, 1681043), (49, 1612429), (91, 868231), (169, 467509), (203, 389207), (329, 240149), (343, 230347), (377, 209573), (611, 129311), (637, 124033), (1183, 66787), (1363, 57967), (1421, 55601), (2303, 34307), (2639, 29939), (4277, 18473), (4459, 17719), (4901, 16121), (7943, 9947), (8281, 9541)]