30990957

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 45360000

約数和(自身を除く): 14369043

約数列:

[1, 3, 19, 41, 57, 89, 123, 149, 267, 447, 779, 1691, 2337, 2831, 3649, 5073, 6109, 8493, 10947, 13261, 18327, 39783, 69331, 116071, 207993, 251959, 348213, 543701, 755877, 1631103, 10330319, 30990957]

約数ペア:

[(1, 30990957), (3, 10330319), (19, 1631103), (41, 755877), (57, 543701), (89, 348213), (123, 251959), (149, 207993), (267, 116071), (447, 69331), (779, 39783), (1691, 18327), (2337, 13261), (2831, 10947), (3649, 8493), (5073, 6109)]