218580351

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3917}}^1$

素因数の和:4039

約数の個数: 32

約数和(自身を含む): 338515200

約数和(自身を除く): 119934849

約数列:

[1, 3, 11, 19, 33, 57, 89, 209, 267, 627, 979, 1691, 2937, 3917, 5073, 11751, 18601, 43087, 55803, 74423, 129261, 223269, 348613, 818653, 1045839, 2455959, 3834743, 6623647, 11504229, 19870941, 72860117, 218580351]

約数ペア:

[(1, 218580351), (3, 72860117), (11, 19870941), (19, 11504229), (33, 6623647), (57, 3834743), (89, 2455959), (209, 1045839), (267, 818653), (627, 348613), (979, 223269), (1691, 129261), (2937, 74423), (3917, 55803), (5073, 43087), (11751, 18601)]