1260819

素因数分解:

$3^3\times 7^2\times {\mathrm{953}}^1$

素因数の和:976

約数の個数: 24

約数和(自身を含む): 2175120

約数和(自身を除く): 914301

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 953, 1323, 2859, 6671, 8577, 20013, 25731, 46697, 60039, 140091, 180117, 420273, 1260819]

約数ペア:

[(1, 1260819), (3, 420273), (7, 180117), (9, 140091), (21, 60039), (27, 46697), (49, 25731), (63, 20013), (147, 8577), (189, 6671), (441, 2859), (953, 1323)]