163156971

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{347}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 234858240

約数和(自身を除く): 71701269

約数列:

[1, 3, 19, 57, 73, 113, 219, 339, 347, 1041, 1387, 2147, 4161, 6441, 6593, 8249, 19779, 24747, 25331, 39211, 75993, 117633, 156731, 470193, 481289, 745009, 1443867, 2235027, 2862403, 8587209, 54385657, 163156971]

約数ペア:

[(1, 163156971), (3, 54385657), (19, 8587209), (57, 2862403), (73, 2235027), (113, 1443867), (219, 745009), (339, 481289), (347, 470193), (1041, 156731), (1387, 117633), (2147, 75993), (4161, 39211), (6441, 25331), (6593, 24747), (8249, 19779)]