87412521

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 152064000

約数和(自身を除く): 64651479

約数列:

[1, 3, 7, 17, 19, 21, 49, 51, 57, 119, 133, 147, 263, 323, 343, 357, 399, 789, 833, 931, 969, 1029, 1841, 2261, 2499, 2793, 4471, 4997, 5523, 5831, 6517, 6783, 12887, 13413, 14991, 15827, 17493, 19551, 31297, 34979, 38661, 47481, 84949, 90209, 93891, 104937, 110789, 219079, 244853, 254847, 270627, 332367, 594643, 657237, 734559, 1533553, 1713971, 1783929, 4162501, 4600659, 5141913, 12487503, 29137507, 87412521]

約数ペア:

[(1, 87412521), (3, 29137507), (7, 12487503), (17, 5141913), (19, 4600659), (21, 4162501), (49, 1783929), (51, 1713971), (57, 1533553), (119, 734559), (133, 657237), (147, 594643), (263, 332367), (323, 270627), (343, 254847), (357, 244853), (399, 219079), (789, 110789), (833, 104937), (931, 93891), (969, 90209), (1029, 84949), (1841, 47481), (2261, 38661), (2499, 34979), (2793, 31297), (4471, 19551), (4997, 17493), (5523, 15827), (5831, 14991), (6517, 13413), (6783, 12887)]