221400000003

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{919}}^1\times {\mathrm{126067}}^1$

素因数の和:127016

約数の個数: 48

約数和(自身を含む): 370216331520

約数和(自身を除く): 148816331517

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 919, 1911, 2757, 6433, 11947, 19299, 35841, 45031, 83629, 126067, 135093, 250887, 378201, 585403, 882469, 1638871, 1756209, 2647407, 4916613, 6177283, 11472097, 18531849, 34416291, 80304679, 115855573, 240914037, 347566719, 810989011, 1506122449, 2432967033, 4518367347, 5676923077, 10542857143, 17030769231, 31628571429, 73800000001, 221400000003]

約数ペア:

[(1, 221400000003), (3, 73800000001), (7, 31628571429), (13, 17030769231), (21, 10542857143), (39, 5676923077), (49, 4518367347), (91, 2432967033), (147, 1506122449), (273, 810989011), (637, 347566719), (919, 240914037), (1911, 115855573), (2757, 80304679), (6433, 34416291), (11947, 18531849), (19299, 11472097), (35841, 6177283), (45031, 4916613), (83629, 2647407), (126067, 1756209), (135093, 1638871), (250887, 882469), (378201, 585403)]