201421899

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 364607568

約数和(自身を除く): 163185669

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 67, 119, 147, 153, 201, 357, 401, 441, 469, 603, 833, 1071, 1139, 1203, 1407, 2499, 2807, 3283, 3417, 3609, 4221, 6817, 7497, 7973, 8421, 9849, 10251, 19649, 20451, 23919, 25263, 26867, 29547, 47719, 55811, 58947, 61353, 71757, 80601, 143157, 167433, 176841, 188069, 241803, 334033, 429471, 456739, 502299, 564207, 1002099, 1316483, 1370217, 1692621, 3006297, 3197173, 3949449, 4110651, 9591519, 11848347, 22380211, 28774557, 67140633, 201421899]

約数ペア:

[(1, 201421899), (3, 67140633), (7, 28774557), (9, 22380211), (17, 11848347), (21, 9591519), (49, 4110651), (51, 3949449), (63, 3197173), (67, 3006297), (119, 1692621), (147, 1370217), (153, 1316483), (201, 1002099), (357, 564207), (401, 502299), (441, 456739), (469, 429471), (603, 334033), (833, 241803), (1071, 188069), (1139, 176841), (1203, 167433), (1407, 143157), (2499, 80601), (2807, 71757), (3283, 61353), (3417, 58947), (3609, 55811), (4221, 47719), (6817, 29547), (7497, 26867), (7973, 25263), (8421, 23919), (9849, 20451), (10251, 19649)]