24654321

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^2$

素因数の和:135

約数の個数: 48

約数和(自身を含む): 40521600

約数和(自身を除く): 15867279

約数列:

[1, 3, 9, 23, 27, 29, 37, 69, 87, 111, 207, 261, 333, 621, 667, 783, 851, 999, 1073, 1369, 2001, 2553, 3219, 4107, 6003, 7659, 9657, 12321, 18009, 22977, 24679, 28971, 31487, 36963, 39701, 74037, 94461, 119103, 222111, 283383, 357309, 666333, 850149, 913123, 1071927, 2739369, 8218107, 24654321]

約数ペア:

[(1, 24654321), (3, 8218107), (9, 2739369), (23, 1071927), (27, 913123), (29, 850149), (37, 666333), (69, 357309), (87, 283383), (111, 222111), (207, 119103), (261, 94461), (333, 74037), (621, 39701), (667, 36963), (783, 31487), (851, 28971), (999, 24679), (1073, 22977), (1369, 18009), (2001, 12321), (2553, 9657), (3219, 7659), (4107, 6003)]