28877715321

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{18679}}^1$

素因数の和:19518

約数の個数: 48

約数和(自身を含む): 48297513600

約数和(自身を除く): 19419798279

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 809, 1911, 2427, 5663, 10517, 16989, 18679, 31551, 39641, 56037, 73619, 118923, 130753, 220857, 242827, 392259, 515333, 728481, 915271, 1545999, 1699789, 2745813, 5099367, 11898523, 15111311, 35695569, 45333933, 105779177, 196447043, 317337531, 589341129, 740454239, 1375129301, 2221362717, 4125387903, 9625905107, 28877715321]

約数ペア:

[(1, 28877715321), (3, 9625905107), (7, 4125387903), (13, 2221362717), (21, 1375129301), (39, 740454239), (49, 589341129), (91, 317337531), (147, 196447043), (273, 105779177), (637, 45333933), (809, 35695569), (1911, 15111311), (2427, 11898523), (5663, 5099367), (10517, 2745813), (16989, 1699789), (18679, 1545999), (31551, 915271), (39641, 728481), (56037, 515333), (73619, 392259), (118923, 242827), (130753, 220857)]