156639021

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 277862400

約数和(自身を除く): 121223379

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 89, 133, 209, 231, 267, 399, 401, 623, 627, 979, 1203, 1463, 1691, 1869, 2807, 2937, 4389, 4411, 5073, 6853, 7619, 8421, 11837, 13233, 18601, 20559, 22857, 30877, 35511, 35689, 53333, 55803, 83809, 92631, 107067, 130207, 159999, 249823, 251427, 390621, 392579, 586663, 678091, 749469, 1177737, 1759989, 2034273, 2748053, 4746637, 7459001, 8244159, 14239911, 22377003, 52213007, 156639021]

約数ペア:

[(1, 156639021), (3, 52213007), (7, 22377003), (11, 14239911), (19, 8244159), (21, 7459001), (33, 4746637), (57, 2748053), (77, 2034273), (89, 1759989), (133, 1177737), (209, 749469), (231, 678091), (267, 586663), (399, 392579), (401, 390621), (623, 251427), (627, 249823), (979, 159999), (1203, 130207), (1463, 107067), (1691, 92631), (1869, 83809), (2807, 55803), (2937, 53333), (4389, 35689), (4411, 35511), (5073, 30877), (6853, 22857), (7619, 20559), (8421, 18601), (11837, 13233)]