997012821

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{146987}}^1$

素因数の和:147033

約数の個数: 32

約数和(自身を含む): 1693301760

約数和(自身を除く): 696288939

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 6783, 146987, 440961, 1028909, 2498779, 2792753, 3086727, 7496337, 8378259, 17491453, 19549271, 47476801, 52474359, 58647813, 142430403, 332337607, 997012821]

約数ペア:

[(1, 997012821), (3, 332337607), (7, 142430403), (17, 58647813), (19, 52474359), (21, 47476801), (51, 19549271), (57, 17491453), (119, 8378259), (133, 7496337), (323, 3086727), (357, 2792753), (399, 2498779), (969, 1028909), (2261, 440961), (6783, 146987)]