138821151

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{3371}}^1$

素因数の和:3471

約数の個数: 32

約数和(自身を含む): 221419008

約数和(自身を除く): 82597857

約数列:

[1, 3, 7, 21, 37, 53, 111, 159, 259, 371, 777, 1113, 1961, 3371, 5883, 10113, 13727, 23597, 41181, 70791, 124727, 178663, 374181, 535989, 873089, 1250641, 2619267, 3751923, 6610531, 19831593, 46273717, 138821151]

約数ペア:

[(1, 138821151), (3, 46273717), (7, 19831593), (21, 6610531), (37, 3751923), (53, 2619267), (111, 1250641), (159, 873089), (259, 535989), (371, 374181), (777, 178663), (1113, 124727), (1961, 70791), (3371, 41181), (5883, 23597), (10113, 13727)]