1203405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 2244864

約数和(自身を除く): 1041459

約数列:

[1, 3, 5, 7, 15, 21, 35, 73, 105, 157, 219, 365, 471, 511, 785, 1095, 1099, 1533, 2355, 2555, 3297, 5495, 7665, 11461, 16485, 34383, 57305, 80227, 171915, 240681, 401135, 1203405]

約数ペア:

[(1, 1203405), (3, 401135), (5, 240681), (7, 171915), (15, 80227), (21, 57305), (35, 34383), (73, 16485), (105, 11461), (157, 7665), (219, 5495), (365, 3297), (471, 2555), (511, 2355), (785, 1533), (1095, 1099)]