199977993

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 310435840

約数和(自身を除く): 110457847

約数列:

[1, 3, 9, 31, 43, 79, 93, 129, 211, 237, 279, 387, 633, 711, 1333, 1899, 2449, 3397, 3999, 6541, 7347, 9073, 10191, 11997, 16669, 19623, 22041, 27219, 30573, 50007, 58869, 81657, 105307, 150021, 281263, 315921, 516739, 716767, 843789, 947763, 1550217, 2150301, 2531367, 4650651, 6450903, 22219777, 66659331, 199977993]

約数ペア:

[(1, 199977993), (3, 66659331), (9, 22219777), (31, 6450903), (43, 4650651), (79, 2531367), (93, 2150301), (129, 1550217), (211, 947763), (237, 843789), (279, 716767), (387, 516739), (633, 315921), (711, 281263), (1333, 150021), (1899, 105307), (2449, 81657), (3397, 58869), (3999, 50007), (6541, 30573), (7347, 27219), (9073, 22041), (10191, 19623), (11997, 16669)]