1995399

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1667}}^1$

素因数の和:1699

約数の個数: 24

約数和(自身を含む): 3469440

約数和(自身を除く): 1474041

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 1667, 5001, 11669, 15003, 31673, 35007, 95019, 105021, 221711, 285057, 665133, 1995399]

約数ペア:

[(1, 1995399), (3, 665133), (7, 285057), (9, 221711), (19, 105021), (21, 95019), (57, 35007), (63, 31673), (133, 15003), (171, 11669), (399, 5001), (1197, 1667)]