16947777

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 29417472

約数和(自身を除く): 12469695

約数列:

[1, 3, 7, 11, 21, 33, 47, 49, 77, 141, 147, 223, 231, 329, 517, 539, 669, 987, 1551, 1561, 1617, 2303, 2453, 3619, 4683, 6909, 7359, 10481, 10857, 10927, 17171, 25333, 31443, 32781, 51513, 73367, 75999, 115291, 120197, 220101, 345873, 360591, 513569, 807037, 1540707, 2421111, 5649259, 16947777]

約数ペア:

[(1, 16947777), (3, 5649259), (7, 2421111), (11, 1540707), (21, 807037), (33, 513569), (47, 360591), (49, 345873), (77, 220101), (141, 120197), (147, 115291), (223, 75999), (231, 73367), (329, 51513), (517, 32781), (539, 31443), (669, 25333), (987, 17171), (1551, 10927), (1561, 10857), (1617, 10481), (2303, 7359), (2453, 6909), (3619, 4683)]