279288

素因数分解:

$2^3\times 3^4\times {\mathrm{431}}^1$

素因数の和:449

約数の個数: 40

約数和(自身を含む): 784080

約数和(自身を除く): 504792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 431, 648, 862, 1293, 1724, 2586, 3448, 3879, 5172, 7758, 10344, 11637, 15516, 23274, 31032, 34911, 46548, 69822, 93096, 139644, 279288]

約数ペア:

[(1, 279288), (2, 139644), (3, 93096), (4, 69822), (6, 46548), (8, 34911), (9, 31032), (12, 23274), (18, 15516), (24, 11637), (27, 10344), (36, 7758), (54, 5172), (72, 3879), (81, 3448), (108, 2586), (162, 1724), (216, 1293), (324, 862), (431, 648)]