26912529

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 46425600

約数和(自身を除く): 19513071

約数列:

[1, 3, 7, 9, 21, 47, 61, 63, 141, 149, 183, 329, 423, 427, 447, 549, 987, 1043, 1281, 1341, 2867, 2961, 3129, 3843, 7003, 8601, 9089, 9387, 20069, 21009, 25803, 27267, 49021, 60207, 63027, 63623, 81801, 147063, 180621, 190869, 427183, 441189, 572607, 1281549, 2990281, 3844647, 8970843, 26912529]

約数ペア:

[(1, 26912529), (3, 8970843), (7, 3844647), (9, 2990281), (21, 1281549), (47, 572607), (61, 441189), (63, 427183), (141, 190869), (149, 180621), (183, 147063), (329, 81801), (423, 63623), (427, 63027), (447, 60207), (549, 49021), (987, 27267), (1043, 25803), (1281, 21009), (1341, 20069), (2867, 9387), (2961, 9089), (3129, 8601), (3843, 7003)]