216975171

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{367}}^1\times {\mathrm{599}}^1$

素因数の和:1023

約数の個数: 32

約数和(自身を含む): 339148800

約数和(自身を除く): 122173629

約数列:

[1, 3, 7, 21, 47, 141, 329, 367, 599, 987, 1101, 1797, 2569, 4193, 7707, 12579, 17249, 28153, 51747, 84459, 120743, 197071, 219833, 362229, 591213, 659499, 1538831, 4616493, 10332151, 30996453, 72325057, 216975171]

約数ペア:

[(1, 216975171), (3, 72325057), (7, 30996453), (21, 10332151), (47, 4616493), (141, 1538831), (329, 659499), (367, 591213), (599, 362229), (987, 219833), (1101, 197071), (1797, 120743), (2569, 84459), (4193, 51747), (7707, 28153), (12579, 17249)]