201430257

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1\times {\mathrm{653}}^1$

素因数の和:1097

約数の個数: 32

約数和(自身を含む): 316515072

約数和(自身を除く): 115084815

約数列:

[1, 3, 7, 21, 37, 111, 259, 397, 653, 777, 1191, 1959, 2779, 4571, 8337, 13713, 14689, 24161, 44067, 72483, 102823, 169127, 259241, 308469, 507381, 777723, 1814687, 5444061, 9591917, 28775751, 67143419, 201430257]

約数ペア:

[(1, 201430257), (3, 67143419), (7, 28775751), (21, 9591917), (37, 5444061), (111, 1814687), (259, 777723), (397, 507381), (653, 308469), (777, 259241), (1191, 169127), (1959, 102823), (2779, 72483), (4571, 44067), (8337, 24161), (13713, 14689)]