12942405

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{227}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 25893504

約数和(自身を除く): 12951099

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 181, 227, 315, 543, 681, 905, 1135, 1267, 1589, 1629, 2043, 2715, 3405, 3801, 4767, 6335, 7945, 8145, 10215, 11403, 14301, 19005, 23835, 41087, 57015, 71505, 123261, 205435, 287609, 369783, 616305, 862827, 1438045, 1848915, 2588481, 4314135, 12942405]

約数ペア:

[(1, 12942405), (3, 4314135), (5, 2588481), (7, 1848915), (9, 1438045), (15, 862827), (21, 616305), (35, 369783), (45, 287609), (63, 205435), (105, 123261), (181, 71505), (227, 57015), (315, 41087), (543, 23835), (681, 19005), (905, 14301), (1135, 11403), (1267, 10215), (1589, 8145), (1629, 7945), (2043, 6335), (2715, 4767), (3405, 3801)]