27681129

素因数分解:

$3^3\times 7^5\times {\mathrm{61}}^1$

素因数の和:105

約数の個数: 48

約数和(自身を含む): 48627840

約数和(自身を除く): 20946711

約数列:

[1, 3, 7, 9, 21, 27, 49, 61, 63, 147, 183, 189, 343, 427, 441, 549, 1029, 1281, 1323, 1647, 2401, 2989, 3087, 3843, 7203, 8967, 9261, 11529, 16807, 20923, 21609, 26901, 50421, 62769, 64827, 80703, 146461, 151263, 188307, 439383, 453789, 564921, 1025227, 1318149, 3075681, 3954447, 9227043, 27681129]

約数ペア:

[(1, 27681129), (3, 9227043), (7, 3954447), (9, 3075681), (21, 1318149), (27, 1025227), (49, 564921), (61, 453789), (63, 439383), (147, 188307), (183, 151263), (189, 146461), (343, 80703), (427, 64827), (441, 62769), (549, 50421), (1029, 26901), (1281, 21609), (1323, 20923), (1647, 16807), (2401, 11529), (2989, 9261), (3087, 8967), (3843, 7203)]