39987972

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{10007}}^1$

素因数の和:10057

約数の個数: 48

約数和(自身を含む): 106485120

約数和(自身を除く): 66497148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 10007, 20014, 30021, 40028, 60042, 90063, 120084, 180126, 270189, 360252, 370259, 540378, 740518, 1080756, 1110777, 1481036, 2221554, 3332331, 4443108, 6664662, 9996993, 13329324, 19993986, 39987972]

約数ペア:

[(1, 39987972), (2, 19993986), (3, 13329324), (4, 9996993), (6, 6664662), (9, 4443108), (12, 3332331), (18, 2221554), (27, 1481036), (36, 1110777), (37, 1080756), (54, 740518), (74, 540378), (108, 370259), (111, 360252), (148, 270189), (222, 180126), (333, 120084), (444, 90063), (666, 60042), (999, 40028), (1332, 30021), (1998, 20014), (3996, 10007)]