7842345

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3931}}^1$

素因数の和:3965

約数の個数: 32

約数和(自身を含む): 15098880

約数和(自身を除く): 7256535

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 3931, 11793, 19655, 27517, 58965, 74689, 82551, 137585, 224067, 373445, 412755, 522823, 1120335, 1568469, 2614115, 7842345]

約数ペア:

[(1, 7842345), (3, 2614115), (5, 1568469), (7, 1120335), (15, 522823), (19, 412755), (21, 373445), (35, 224067), (57, 137585), (95, 82551), (105, 74689), (133, 58965), (285, 27517), (399, 19655), (665, 11793), (1995, 3931)]