2017909987317

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2837}}^1\times {\mathrm{159017}}^1$

素因数の和:161938

約数の個数: 48

約数和(自身を含む): 3379282612992

約数和(自身を除く): 1361372625675

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 2837, 4473, 8511, 19859, 25533, 59577, 159017, 178731, 201427, 477051, 604281, 1113119, 1409989, 1431153, 1812843, 3339357, 4229967, 10018071, 11290207, 12689901, 33870621, 79031449, 101611863, 237094347, 451131229, 711283041, 1353393687, 3157918603, 4060181061, 9473755809, 28421267427, 32030317259, 96090951777, 224212220813, 288272855331, 672636662439, 2017909987317]

約数ペア:

[(1, 2017909987317), (3, 672636662439), (7, 288272855331), (9, 224212220813), (21, 96090951777), (63, 32030317259), (71, 28421267427), (213, 9473755809), (497, 4060181061), (639, 3157918603), (1491, 1353393687), (2837, 711283041), (4473, 451131229), (8511, 237094347), (19859, 101611863), (25533, 79031449), (59577, 33870621), (159017, 12689901), (178731, 11290207), (201427, 10018071), (477051, 4229967), (604281, 3339357), (1113119, 1812843), (1409989, 1431153)]