47780901

素因数分解:

$3^3\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1049}}^1$

素因数の和:1306

約数の個数: 32

約数和(自身を含む): 81312000

約数和(自身を除く): 33531099

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 241, 723, 1049, 1687, 2169, 3147, 5061, 6507, 7343, 9441, 15183, 22029, 28323, 45549, 66087, 198261, 252809, 758427, 1769663, 2275281, 5308989, 6825843, 15926967, 47780901]

約数ペア:

[(1, 47780901), (3, 15926967), (7, 6825843), (9, 5308989), (21, 2275281), (27, 1769663), (63, 758427), (189, 252809), (241, 198261), (723, 66087), (1049, 45549), (1687, 28323), (2169, 22029), (3147, 15183), (5061, 9441), (6507, 7343)]