215340405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{50021}}^1$

素因数の和:50077

約数の個数: 32

約数和(自身を含む): 403377408

約数和(自身を除く): 188037003

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 50021, 150063, 250105, 350147, 750315, 1050441, 1750735, 2050861, 5252205, 6152583, 10254305, 14356027, 30762915, 43068081, 71780135, 215340405]

約数ペア:

[(1, 215340405), (3, 71780135), (5, 43068081), (7, 30762915), (15, 14356027), (21, 10254305), (35, 6152583), (41, 5252205), (105, 2050861), (123, 1750735), (205, 1050441), (287, 750315), (615, 350147), (861, 250105), (1435, 150063), (4305, 50021)]