3988896009

素因数分解:

$3^1\times 7^2\times {\mathrm{397}}^1\times {\mathrm{68351}}^1$

素因数の和:68765

約数の個数: 24

約数和(自身を含む): 6202533888

約数和(自身を除く): 2213637879

約数列:

[1, 3, 7, 21, 49, 147, 397, 1191, 2779, 8337, 19453, 58359, 68351, 205053, 478457, 1435371, 3349199, 10047597, 27135347, 81406041, 189947429, 569842287, 1329632003, 3988896009]

約数ペア:

[(1, 3988896009), (3, 1329632003), (7, 569842287), (21, 189947429), (49, 81406041), (147, 27135347), (397, 10047597), (1191, 3349199), (2779, 1435371), (8337, 478457), (19453, 205053), (58359, 68351)]