80775891

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{379}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 142272000

約数和(自身を除く): 61496109

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 199, 357, 379, 597, 1071, 1137, 1393, 1791, 2653, 3383, 3411, 4179, 6443, 7959, 10149, 12537, 19329, 23681, 23877, 30447, 45101, 57987, 71043, 75421, 135303, 213129, 226263, 405909, 527947, 678789, 1282157, 1583841, 3846471, 4751523, 8975099, 11539413, 26925297, 80775891]

約数ペア:

[(1, 80775891), (3, 26925297), (7, 11539413), (9, 8975099), (17, 4751523), (21, 3846471), (51, 1583841), (63, 1282157), (119, 678789), (153, 527947), (199, 405909), (357, 226263), (379, 213129), (597, 135303), (1071, 75421), (1137, 71043), (1393, 57987), (1791, 45101), (2653, 30447), (3383, 23877), (3411, 23681), (4179, 19329), (6443, 12537), (7959, 10149)]