81693339

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 141926400

約数和(自身を除く): 60233061

約数列:

[1, 3, 7, 13, 21, 31, 39, 49, 91, 93, 147, 197, 217, 273, 343, 403, 591, 637, 651, 1029, 1209, 1379, 1519, 1911, 2561, 2821, 4137, 4459, 4557, 6107, 7683, 8463, 9653, 10633, 13377, 17927, 18321, 19747, 28959, 31899, 42749, 53781, 59241, 67571, 79391, 125489, 128247, 138229, 202713, 238173, 299243, 376467, 414687, 555737, 878423, 897729, 1667211, 2094701, 2635269, 3890159, 6284103, 11670477, 27231113, 81693339]

約数ペア:

[(1, 81693339), (3, 27231113), (7, 11670477), (13, 6284103), (21, 3890159), (31, 2635269), (39, 2094701), (49, 1667211), (91, 897729), (93, 878423), (147, 555737), (197, 414687), (217, 376467), (273, 299243), (343, 238173), (403, 202713), (591, 138229), (637, 128247), (651, 125489), (1029, 79391), (1209, 67571), (1379, 59241), (1519, 53781), (1911, 42749), (2561, 31899), (2821, 28959), (4137, 19747), (4459, 18321), (4557, 17927), (6107, 13377), (7683, 10633), (8463, 9653)]