25700283

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 44478720

約数和(自身を除く): 18778437

約数列:

[1, 3, 7, 9, 21, 43, 53, 63, 129, 159, 179, 301, 371, 387, 477, 537, 903, 1113, 1253, 1611, 2279, 2709, 3339, 3759, 6837, 7697, 9487, 11277, 15953, 20511, 23091, 28461, 47859, 53879, 66409, 69273, 85383, 143577, 161637, 199227, 407941, 484911, 597681, 1223823, 2855587, 3671469, 8566761, 25700283]

約数ペア:

[(1, 25700283), (3, 8566761), (7, 3671469), (9, 2855587), (21, 1223823), (43, 597681), (53, 484911), (63, 407941), (129, 199227), (159, 161637), (179, 143577), (301, 85383), (371, 69273), (387, 66409), (477, 53879), (537, 47859), (903, 28461), (1113, 23091), (1253, 20511), (1611, 15953), (2279, 11277), (2709, 9487), (3339, 7697), (3759, 6837)]