161718399

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{523}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 258964992

約数和(自身を除く): 97246593

約数列:

[1, 3, 9, 17, 43, 47, 51, 129, 141, 153, 387, 423, 523, 731, 799, 1569, 2021, 2193, 2397, 4707, 6063, 6579, 7191, 8891, 18189, 22489, 24581, 26673, 34357, 67467, 73743, 80019, 103071, 202401, 221229, 309213, 382313, 417877, 1056983, 1146939, 1253631, 3170949, 3440817, 3760893, 9512847, 17968711, 53906133, 161718399]

約数ペア:

[(1, 161718399), (3, 53906133), (9, 17968711), (17, 9512847), (43, 3760893), (47, 3440817), (51, 3170949), (129, 1253631), (141, 1146939), (153, 1056983), (387, 417877), (423, 382313), (523, 309213), (731, 221229), (799, 202401), (1569, 103071), (2021, 80019), (2193, 73743), (2397, 67467), (4707, 34357), (6063, 26673), (6579, 24581), (7191, 22489), (8891, 18189)]