40704153

素因数分解:

$3^1\times 7^4\times {\mathrm{5651}}^1$

素因数の和:5682

約数の個数: 20

約数和(自身を含む): 63325008

約数和(自身を除く): 22620855

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 5651, 7203, 16953, 39557, 118671, 276899, 830697, 1938293, 5814879, 13568051, 40704153]

約数ペア:

[(1, 40704153), (3, 13568051), (7, 5814879), (21, 1938293), (49, 830697), (147, 276899), (343, 118671), (1029, 39557), (2401, 16953), (5651, 7203)]