213338727

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{353}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 361827648

約数和(自身を除く): 148488921

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 181, 353, 371, 477, 543, 1059, 1113, 1267, 1629, 2471, 3177, 3339, 3801, 7413, 9593, 11403, 18709, 22239, 28779, 56127, 63893, 67151, 86337, 130963, 168381, 191679, 201453, 392889, 447251, 575037, 604359, 1178667, 1341753, 3386329, 4025259, 10158987, 23704303, 30476961, 71112909, 213338727]

約数ペア:

[(1, 213338727), (3, 71112909), (7, 30476961), (9, 23704303), (21, 10158987), (53, 4025259), (63, 3386329), (159, 1341753), (181, 1178667), (353, 604359), (371, 575037), (477, 447251), (543, 392889), (1059, 201453), (1113, 191679), (1267, 168381), (1629, 130963), (2471, 86337), (3177, 67151), (3339, 63893), (3801, 56127), (7413, 28779), (9593, 22239), (11403, 18709)]