801591

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:84

約数の個数: 32

約数和(自身を含む): 1344000

約数和(自身を除く): 542409

約数列:

[1, 3, 7, 19, 21, 41, 49, 57, 123, 133, 147, 287, 343, 399, 779, 861, 931, 1029, 2009, 2337, 2793, 5453, 6027, 6517, 14063, 16359, 19551, 38171, 42189, 114513, 267197, 801591]

約数ペア:

[(1, 801591), (3, 267197), (7, 114513), (19, 42189), (21, 38171), (41, 19551), (49, 16359), (57, 14063), (123, 6517), (133, 6027), (147, 5453), (287, 2793), (343, 2337), (399, 2009), (779, 1029), (861, 931)]