29079981

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 52925184

約数和(自身を除く): 23845203

約数列:

[1, 3, 7, 9, 21, 23, 47, 49, 61, 63, 69, 141, 147, 161, 183, 207, 329, 423, 427, 441, 483, 549, 987, 1081, 1127, 1281, 1403, 1449, 2303, 2867, 2961, 2989, 3243, 3381, 3843, 4209, 6909, 7567, 8601, 8967, 9729, 9821, 10143, 12627, 20069, 20727, 22701, 25803, 26901, 29463, 52969, 60207, 65941, 68103, 68747, 88389, 140483, 158907, 180621, 197823, 206241, 421449, 461587, 476721, 593469, 618723, 1264347, 1384761, 3231109, 4154283, 9693327, 29079981]

約数ペア:

[(1, 29079981), (3, 9693327), (7, 4154283), (9, 3231109), (21, 1384761), (23, 1264347), (47, 618723), (49, 593469), (61, 476721), (63, 461587), (69, 421449), (141, 206241), (147, 197823), (161, 180621), (183, 158907), (207, 140483), (329, 88389), (423, 68747), (427, 68103), (441, 65941), (483, 60207), (549, 52969), (987, 29463), (1081, 26901), (1127, 25803), (1281, 22701), (1403, 20727), (1449, 20069), (2303, 12627), (2867, 10143), (2961, 9821), (2989, 9729), (3243, 8967), (3381, 8601), (3843, 7567), (4209, 6909)]