620444013

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1\times {\mathrm{1259}}^1$

素因数の和:2057

約数の個数: 32

約数和(自身を含む): 978001920

約数和(自身を除く): 357557907

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 757, 1259, 2271, 3777, 5299, 8813, 15897, 23467, 26439, 39029, 70401, 117087, 164269, 273203, 492807, 819609, 953063, 2859189, 6671441, 20014323, 29544953, 88634859, 206814671, 620444013]

約数ペア:

[(1, 620444013), (3, 206814671), (7, 88634859), (21, 29544953), (31, 20014323), (93, 6671441), (217, 2859189), (651, 953063), (757, 819609), (1259, 492807), (2271, 273203), (3777, 164269), (5299, 117087), (8813, 70401), (15897, 39029), (23467, 26439)]