1407861

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:223

約数の個数: 40

約数和(自身を含む): 2601984

約数和(自身を除く): 1194123

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 191, 273, 351, 567, 573, 819, 1053, 1337, 1719, 2457, 2483, 4011, 5157, 7371, 7449, 12033, 15471, 17381, 22347, 36099, 52143, 67041, 108297, 156429, 201123, 469287, 1407861]

約数ペア:

[(1, 1407861), (3, 469287), (7, 201123), (9, 156429), (13, 108297), (21, 67041), (27, 52143), (39, 36099), (63, 22347), (81, 17381), (91, 15471), (117, 12033), (189, 7449), (191, 7371), (273, 5157), (351, 4011), (567, 2483), (573, 2457), (819, 1719), (1053, 1337)]