4280139

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:112

約数の個数: 36

約数和(自身を含む): 6901440

約数和(自身を除く): 2621301

約数列:

[1, 3, 9, 23, 29, 31, 69, 87, 93, 207, 261, 279, 529, 667, 713, 899, 1587, 2001, 2139, 2697, 4761, 6003, 6417, 8091, 15341, 16399, 20677, 46023, 49197, 62031, 138069, 147591, 186093, 475571, 1426713, 4280139]

約数ペア:

[(1, 4280139), (3, 1426713), (9, 475571), (23, 186093), (29, 147591), (31, 138069), (69, 62031), (87, 49197), (93, 46023), (207, 20677), (261, 16399), (279, 15341), (529, 8091), (667, 6417), (713, 6003), (899, 4761), (1587, 2697), (2001, 2139)]