21329172477

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{787}}^1\times {\mathrm{9043}}^1$

素因数の和:9879

約数の個数: 40

約数和(自身を含む): 32768437856

約数和(自身を除く): 11439265379

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 787, 999, 2361, 2997, 7083, 9043, 21249, 27129, 29119, 63747, 81387, 87357, 244161, 262071, 334591, 732483, 786213, 1003773, 2358639, 3011319, 7116841, 9033957, 21350523, 27101871, 64051569, 192154707, 263323117, 576464121, 789969351, 2369908053, 7109724159, 21329172477]

約数ペア:

[(1, 21329172477), (3, 7109724159), (9, 2369908053), (27, 789969351), (37, 576464121), (81, 263323117), (111, 192154707), (333, 64051569), (787, 27101871), (999, 21350523), (2361, 9033957), (2997, 7116841), (7083, 3011319), (9043, 2358639), (21249, 1003773), (27129, 786213), (29119, 732483), (63747, 334591), (81387, 262071), (87357, 244161)]