1620009489

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1\times {\mathrm{4703}}^1$

素因数の和:5109

約数の個数: 32

約数和(自身を含む): 2528870400

約数和(自身を除く): 908860911

約数列:

[1, 3, 7, 21, 47, 141, 329, 349, 987, 1047, 2443, 4703, 7329, 14109, 16403, 32921, 49209, 98763, 114821, 221041, 344463, 663123, 1547287, 1641347, 4641861, 4924041, 11489429, 34468287, 77143309, 231429927, 540003163, 1620009489]

約数ペア:

[(1, 1620009489), (3, 540003163), (7, 231429927), (21, 77143309), (47, 34468287), (141, 11489429), (329, 4924041), (349, 4641861), (987, 1641347), (1047, 1547287), (2443, 663123), (4703, 344463), (7329, 221041), (14109, 114821), (16403, 98763), (32921, 49209)]