190012815

素因数分解:

$3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 336825216

約数和(自身を除く): 146812401

約数列:

[1, 3, 5, 9, 15, 45, 97, 101, 291, 303, 431, 485, 505, 873, 909, 1293, 1455, 1515, 2155, 3879, 4365, 4545, 6465, 9797, 19395, 29391, 41807, 43531, 48985, 88173, 125421, 130593, 146955, 209035, 217655, 376263, 391779, 440865, 627105, 652965, 1881315, 1958895, 4222507, 12667521, 21112535, 38002563, 63337605, 190012815]

約数ペア:

[(1, 190012815), (3, 63337605), (5, 38002563), (9, 21112535), (15, 12667521), (45, 4222507), (97, 1958895), (101, 1881315), (291, 652965), (303, 627105), (431, 440865), (485, 391779), (505, 376263), (873, 217655), (909, 209035), (1293, 146955), (1455, 130593), (1515, 125421), (2155, 88173), (3879, 48985), (4365, 43531), (4545, 41807), (6465, 29391), (9797, 19395)]