80709489

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{421}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 142197120

約数和(自身を除く): 61487631

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 179, 357, 421, 537, 1071, 1253, 1263, 1611, 2947, 3043, 3759, 3789, 7157, 8841, 9129, 11277, 21301, 21471, 26523, 27387, 50099, 63903, 64413, 75359, 150297, 191709, 226077, 450891, 527513, 678231, 1281103, 1582539, 3843309, 4747617, 8967721, 11529927, 26903163, 80709489]

約数ペア:

[(1, 80709489), (3, 26903163), (7, 11529927), (9, 8967721), (17, 4747617), (21, 3843309), (51, 1582539), (63, 1281103), (119, 678231), (153, 527513), (179, 450891), (357, 226077), (421, 191709), (537, 150297), (1071, 75359), (1253, 64413), (1263, 63903), (1611, 50099), (2947, 27387), (3043, 26523), (3759, 21471), (3789, 21301), (7157, 11277), (8841, 9129)]