78782151

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 130853760

約数和(自身を除く): 52071609

約数列:

[1, 3, 7, 19, 21, 49, 57, 67, 133, 147, 201, 399, 421, 469, 931, 1263, 1273, 1407, 2793, 2947, 3283, 3819, 7999, 8841, 8911, 9849, 20629, 23997, 26733, 28207, 55993, 61887, 62377, 84621, 167979, 187131, 197449, 391951, 535933, 592347, 1175853, 1382143, 1607799, 3751531, 4146429, 11254593, 26260717, 78782151]

約数ペア:

[(1, 78782151), (3, 26260717), (7, 11254593), (19, 4146429), (21, 3751531), (49, 1607799), (57, 1382143), (67, 1175853), (133, 592347), (147, 535933), (201, 391951), (399, 197449), (421, 187131), (469, 167979), (931, 84621), (1263, 62377), (1273, 61887), (1407, 55993), (2793, 28207), (2947, 26733), (3283, 23997), (3819, 20629), (7999, 9849), (8841, 8911)]