12210723

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^2$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 21987840

約数和(自身を除く): 9777117

約数列:

[1, 3, 7, 9, 21, 23, 27, 53, 63, 69, 159, 161, 189, 207, 371, 477, 483, 621, 1113, 1219, 1431, 1449, 2809, 3339, 3657, 4347, 8427, 8533, 10017, 10971, 19663, 25281, 25599, 32913, 58989, 64607, 75843, 76797, 176967, 193821, 230391, 452249, 530901, 581463, 1356747, 1744389, 4070241, 12210723]

約数ペア:

[(1, 12210723), (3, 4070241), (7, 1744389), (9, 1356747), (21, 581463), (23, 530901), (27, 452249), (53, 230391), (63, 193821), (69, 176967), (159, 76797), (161, 75843), (189, 64607), (207, 58989), (371, 32913), (477, 25599), (483, 25281), (621, 19663), (1113, 10971), (1219, 10017), (1431, 8533), (1449, 8427), (2809, 4347), (3339, 3657)]