187420905

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8623}}^1$

素因数の和:8667

約数の個数: 64

約数和(自身を含む): 397393920

約数和(自身を除く): 209973015

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 35, 45, 63, 69, 105, 115, 135, 161, 189, 207, 315, 345, 483, 621, 805, 945, 1035, 1449, 2415, 3105, 4347, 7245, 8623, 21735, 25869, 43115, 60361, 77607, 129345, 181083, 198329, 232821, 301805, 388035, 543249, 594987, 905415, 991645, 1164105, 1388303, 1629747, 1784961, 2716245, 2974935, 4164909, 5354883, 6941515, 8148735, 8924805, 12494727, 20824545, 26774415, 37484181, 62473635, 187420905]

約数ペア:

[(1, 187420905), (3, 62473635), (5, 37484181), (7, 26774415), (9, 20824545), (15, 12494727), (21, 8924805), (23, 8148735), (27, 6941515), (35, 5354883), (45, 4164909), (63, 2974935), (69, 2716245), (105, 1784961), (115, 1629747), (135, 1388303), (161, 1164105), (189, 991645), (207, 905415), (315, 594987), (345, 543249), (483, 388035), (621, 301805), (805, 232821), (945, 198329), (1035, 181083), (1449, 129345), (2415, 77607), (3105, 60361), (4347, 43115), (7245, 25869), (8623, 21735)]