309006481

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{503}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 387072000

約数和(自身を除く): 78065519

約数列:

[1, 7, 19, 31, 133, 149, 217, 503, 589, 1043, 2831, 3521, 4123, 4619, 9557, 15593, 19817, 32333, 66899, 74947, 87761, 109151, 296267, 524629, 614327, 1423993, 2073869, 2323357, 9967951, 16263499, 44143783, 309006481]

約数ペア:

[(1, 309006481), (7, 44143783), (19, 16263499), (31, 9967951), (133, 2323357), (149, 2073869), (217, 1423993), (503, 614327), (589, 524629), (1043, 296267), (2831, 109151), (3521, 87761), (4123, 74947), (4619, 66899), (9557, 32333), (15593, 19817)]