393838605

素因数分解:

$3^6\times 5^1\times {\mathrm{167}}^1\times {\mathrm{647}}^1$

素因数の和:837

約数の個数: 56

約数和(自身を含む): 713930112

約数和(自身を除く): 320091507

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 167, 243, 405, 501, 647, 729, 835, 1215, 1503, 1941, 2505, 3235, 3645, 4509, 5823, 7515, 9705, 13527, 17469, 22545, 29115, 40581, 52407, 67635, 87345, 108049, 121743, 157221, 202905, 262035, 324147, 471663, 540245, 608715, 786105, 972441, 1620735, 2358315, 2917323, 4862205, 8751969, 14586615, 26255907, 43759845, 78767721, 131279535, 393838605]

約数ペア:

[(1, 393838605), (3, 131279535), (5, 78767721), (9, 43759845), (15, 26255907), (27, 14586615), (45, 8751969), (81, 4862205), (135, 2917323), (167, 2358315), (243, 1620735), (405, 972441), (501, 786105), (647, 608715), (729, 540245), (835, 471663), (1215, 324147), (1503, 262035), (1941, 202905), (2505, 157221), (3235, 121743), (3645, 108049), (4509, 87345), (5823, 67635), (7515, 52407), (9705, 40581), (13527, 29115), (17469, 22545)]