245647521

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3607}}^1$

素因数の和:3690

約数の個数: 48

約数和(自身を含む): 432267264

約数和(自身を除く): 186619743

約数列:

[1, 3, 7, 9, 21, 23, 47, 63, 69, 141, 161, 207, 329, 423, 483, 987, 1081, 1449, 2961, 3243, 3607, 7567, 9729, 10821, 22701, 25249, 32463, 68103, 75747, 82961, 169529, 227241, 248883, 508587, 580727, 746649, 1186703, 1525761, 1742181, 3560109, 3899167, 5226543, 10680327, 11697501, 27294169, 35092503, 81882507, 245647521]

約数ペア:

[(1, 245647521), (3, 81882507), (7, 35092503), (9, 27294169), (21, 11697501), (23, 10680327), (47, 5226543), (63, 3899167), (69, 3560109), (141, 1742181), (161, 1525761), (207, 1186703), (329, 746649), (423, 580727), (483, 508587), (987, 248883), (1081, 227241), (1449, 169529), (2961, 82961), (3243, 75747), (3607, 68103), (7567, 32463), (9729, 25249), (10821, 22701)]