1856169

素因数分解:

$3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:107

約数の個数: 48

約数和(自身を含む): 3392640

約数和(自身を除く): 1536471

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 61, 63, 69, 147, 161, 183, 189, 207, 427, 441, 483, 549, 621, 1127, 1281, 1323, 1403, 1449, 1647, 2989, 3381, 3843, 4209, 4347, 8967, 9821, 10143, 11529, 12627, 26901, 29463, 30429, 37881, 68747, 80703, 88389, 206241, 265167, 618723, 1856169]

約数ペア:

[(1, 1856169), (3, 618723), (7, 265167), (9, 206241), (21, 88389), (23, 80703), (27, 68747), (49, 37881), (61, 30429), (63, 29463), (69, 26901), (147, 12627), (161, 11529), (183, 10143), (189, 9821), (207, 8967), (427, 4347), (441, 4209), (483, 3843), (549, 3381), (621, 2989), (1127, 1647), (1281, 1449), (1323, 1403)]