291212455947

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{10891}}^1\times {\mathrm{27091}}^1$

素因数の和:38039

約数の個数: 32

約数和(自身を含む): 453252194304

約数和(自身を除く): 162039738357

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 10891, 27091, 32673, 76237, 81273, 189637, 228711, 511877, 568911, 1273277, 1535631, 3583139, 3819831, 8912939, 10749417, 26738817, 295048081, 885144243, 2065336567, 6196009701, 13867259807, 41601779421, 97070818649, 291212455947]

約数ペア:

[(1, 291212455947), (3, 97070818649), (7, 41601779421), (21, 13867259807), (47, 6196009701), (141, 2065336567), (329, 885144243), (987, 295048081), (10891, 26738817), (27091, 10749417), (32673, 8912939), (76237, 3819831), (81273, 3583139), (189637, 1535631), (228711, 1273277), (511877, 568911)]