215391748191

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1\times {\mathrm{977}}^1$

素因数の和:1640

約数の個数: 64

約数和(自身を含む): 309028220928

約数和(自身を除く): 93636472737

約数列:

[1, 3, 23, 47, 69, 141, 157, 433, 471, 977, 1081, 1299, 2931, 3243, 3611, 7379, 9959, 10833, 20351, 22137, 22471, 29877, 45919, 61053, 67413, 67981, 137757, 153389, 169717, 203943, 423041, 460167, 468073, 509151, 1056137, 1269123, 1404219, 1563563, 3168411, 3195107, 3527947, 4690689, 7209283, 9585321, 9729943, 10583841, 19882927, 21627849, 29189829, 59648781, 66417437, 73487461, 165813509, 199252311, 220462383, 457307321, 497440527, 1371921963, 1527601051, 3121619539, 4582803153, 9364858617, 71797249397, 215391748191]

約数ペア:

[(1, 215391748191), (3, 71797249397), (23, 9364858617), (47, 4582803153), (69, 3121619539), (141, 1527601051), (157, 1371921963), (433, 497440527), (471, 457307321), (977, 220462383), (1081, 199252311), (1299, 165813509), (2931, 73487461), (3243, 66417437), (3611, 59648781), (7379, 29189829), (9959, 21627849), (10833, 19882927), (20351, 10583841), (22137, 9729943), (22471, 9585321), (29877, 7209283), (45919, 4690689), (61053, 3527947), (67413, 3195107), (67981, 3168411), (137757, 1563563), (153389, 1404219), (169717, 1269123), (203943, 1056137), (423041, 509151), (460167, 468073)]