1900553907

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{12979}}^1$

素因数の和:13375

約数の個数: 32

約数和(自身を含む): 3057049600

約数和(自身を除く): 1156495693

約数列:

[1, 3, 7, 19, 21, 57, 133, 367, 399, 1101, 2569, 6973, 7707, 12979, 20919, 38937, 48811, 90853, 146433, 246601, 272559, 739803, 1726207, 4763293, 5178621, 14289879, 33343051, 90502567, 100029153, 271507701, 633517969, 1900553907]

約数ペア:

[(1, 1900553907), (3, 633517969), (7, 271507701), (19, 100029153), (21, 90502567), (57, 33343051), (133, 14289879), (367, 5178621), (399, 4763293), (1101, 1726207), (2569, 739803), (6973, 272559), (7707, 246601), (12979, 146433), (20919, 90853), (38937, 48811)]