27953913

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 41789440

約数和(自身を除く): 13835527

約数列:

[1, 3, 13, 39, 43, 79, 129, 211, 237, 559, 633, 1027, 1677, 2743, 3081, 3397, 8229, 9073, 10191, 16669, 27219, 44161, 50007, 117949, 132483, 216697, 353847, 650091, 716767, 2150301, 9317971, 27953913]

約数ペア:

[(1, 27953913), (3, 9317971), (13, 2150301), (39, 716767), (43, 650091), (79, 353847), (129, 216697), (211, 132483), (237, 117949), (559, 50007), (633, 44161), (1027, 27219), (1677, 16669), (2743, 10191), (3081, 9073), (3397, 8229)]