40991517

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 70819840

約数和(自身を除く): 29828323

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 139, 151, 217, 279, 417, 453, 651, 973, 1057, 1251, 1359, 1953, 2919, 3171, 4309, 4681, 8757, 9513, 12927, 14043, 20989, 30163, 32767, 38781, 42129, 62967, 90489, 98301, 146923, 188901, 271467, 294903, 440769, 650659, 1322307, 1951977, 4554613, 5855931, 13663839, 40991517]

約数ペア:

[(1, 40991517), (3, 13663839), (7, 5855931), (9, 4554613), (21, 1951977), (31, 1322307), (63, 650659), (93, 440769), (139, 294903), (151, 271467), (217, 188901), (279, 146923), (417, 98301), (453, 90489), (651, 62967), (973, 42129), (1057, 38781), (1251, 32767), (1359, 30163), (1953, 20989), (2919, 14043), (3171, 12927), (4309, 9513), (4681, 8757)]