16807581

素因数分解:

$3^5\times 7^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 29597568

約数和(自身を除く): 12789987

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 81, 123, 189, 241, 243, 287, 369, 567, 723, 861, 1107, 1687, 1701, 2169, 2583, 3321, 5061, 6507, 7749, 9881, 9963, 15183, 19521, 23247, 29643, 45549, 58563, 69167, 69741, 88929, 136647, 207501, 266787, 409941, 622503, 800361, 1867509, 2401083, 5602527, 16807581]

約数ペア:

[(1, 16807581), (3, 5602527), (7, 2401083), (9, 1867509), (21, 800361), (27, 622503), (41, 409941), (63, 266787), (81, 207501), (123, 136647), (189, 88929), (241, 69741), (243, 69167), (287, 58563), (369, 45549), (567, 29643), (723, 23247), (861, 19521), (1107, 15183), (1687, 9963), (1701, 9881), (2169, 7749), (2583, 6507), (3321, 5061)]