1800279

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:268

約数の個数: 32

約数和(自身を含む): 3010560

約数和(自身を除く): 1210281

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 223, 299, 351, 621, 669, 897, 2007, 2691, 2899, 5129, 6021, 8073, 8697, 15387, 26091, 46161, 66677, 78273, 138483, 200031, 600093, 1800279]

約数ペア:

[(1, 1800279), (3, 600093), (9, 200031), (13, 138483), (23, 78273), (27, 66677), (39, 46161), (69, 26091), (117, 15387), (207, 8697), (223, 8073), (299, 6021), (351, 5129), (621, 2899), (669, 2691), (897, 2007)]