71123247

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 115443328

約数和(自身を除く): 44320081

約数列:

[1, 3, 9, 13, 39, 43, 67, 117, 129, 201, 211, 387, 559, 603, 633, 871, 1677, 1899, 2613, 2743, 2881, 5031, 7839, 8229, 8643, 9073, 14137, 24687, 25929, 27219, 37453, 42411, 81657, 112359, 117949, 127233, 183781, 337077, 353847, 551343, 607891, 1061541, 1654029, 1823673, 5471019, 7902583, 23707749, 71123247]

約数ペア:

[(1, 71123247), (3, 23707749), (9, 7902583), (13, 5471019), (39, 1823673), (43, 1654029), (67, 1061541), (117, 607891), (129, 551343), (201, 353847), (211, 337077), (387, 183781), (559, 127233), (603, 117949), (633, 112359), (871, 81657), (1677, 42411), (1899, 37453), (2613, 27219), (2743, 25929), (2881, 24687), (5031, 14137), (7839, 9073), (8229, 8643)]