1491021

素因数分解:

$3^3\times 7^4\times {\mathrm{23}}^1$

素因数の和:60

約数の個数: 40

約数和(自身を含む): 2688960

約数和(自身を除く): 1197939

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 147, 161, 189, 207, 343, 441, 483, 621, 1029, 1127, 1323, 1449, 2401, 3087, 3381, 4347, 7203, 7889, 9261, 10143, 21609, 23667, 30429, 55223, 64827, 71001, 165669, 213003, 497007, 1491021]

約数ペア:

[(1, 1491021), (3, 497007), (7, 213003), (9, 165669), (21, 71001), (23, 64827), (27, 55223), (49, 30429), (63, 23667), (69, 21609), (147, 10143), (161, 9261), (189, 7889), (207, 7203), (343, 4347), (441, 3381), (483, 3087), (621, 2401), (1029, 1449), (1127, 1323)]