30878781

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 45252480

約数和(自身を除く): 14373699

約数列:

[1, 3, 19, 41, 57, 73, 123, 181, 219, 543, 779, 1387, 2337, 2993, 3439, 4161, 7421, 8979, 10317, 13213, 22263, 39639, 56867, 140999, 170601, 251047, 422997, 541733, 753141, 1625199, 10292927, 30878781]

約数ペア:

[(1, 30878781), (3, 10292927), (19, 1625199), (41, 753141), (57, 541733), (73, 422997), (123, 251047), (181, 170601), (219, 140999), (543, 56867), (779, 39639), (1387, 22263), (2337, 13213), (2993, 10317), (3439, 8979), (4161, 7421)]