20172987171

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{2081}}^1\times {\mathrm{7639}}^1$

素因数の和:9776

約数の個数: 32

約数和(自身を含む): 30540441600

約数和(自身を除く): 10367454429

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 2081, 6243, 7639, 18729, 22917, 56187, 68751, 97807, 206253, 293421, 359033, 880263, 1077099, 2640789, 3231297, 9693891, 15896759, 47690277, 143070831, 429212493, 747147673, 2241443019, 6724329057, 20172987171]

約数ペア:

[(1, 20172987171), (3, 6724329057), (9, 2241443019), (27, 747147673), (47, 429212493), (141, 143070831), (423, 47690277), (1269, 15896759), (2081, 9693891), (6243, 3231297), (7639, 2640789), (18729, 1077099), (22917, 880263), (56187, 359033), (68751, 293421), (97807, 206253)]