27789831

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 42854400

約数和(自身を除く): 15064569

約数列:

[1, 3, 9, 27, 47, 61, 141, 183, 359, 423, 549, 1077, 1269, 1647, 2867, 3231, 8601, 9693, 16873, 21899, 25803, 50619, 65697, 77409, 151857, 197091, 455571, 591273, 1029253, 3087759, 9263277, 27789831]

約数ペア:

[(1, 27789831), (3, 9263277), (9, 3087759), (27, 1029253), (47, 591273), (61, 455571), (141, 197091), (183, 151857), (359, 77409), (423, 65697), (549, 50619), (1077, 25803), (1269, 21899), (1647, 16873), (2867, 9693), (3231, 8601)]