2189937465

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{1361}}^1$

素因数の和:1544

約数の個数: 80

約数和(自身を含む): 4093681680

約数和(自身を除く): 1903744215

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 137, 145, 261, 405, 411, 435, 685, 783, 1233, 1305, 1361, 2055, 2349, 3699, 3915, 3973, 4083, 6165, 6805, 11097, 11745, 11919, 12249, 18495, 19865, 20415, 35757, 36747, 39469, 55485, 59595, 61245, 107271, 110241, 118407, 178785, 183735, 186457, 197345, 321813, 355221, 536355, 551205, 559371, 592035, 932285, 1065663, 1609065, 1678113, 1776105, 2796855, 3196989, 5034339, 5328315, 5407253, 8390565, 15103017, 15984945, 16221759, 25171695, 27036265, 48665277, 75515085, 81108795, 145995831, 243326385, 437987493, 729979155, 2189937465]

約数ペア:

[(1, 2189937465), (3, 729979155), (5, 437987493), (9, 243326385), (15, 145995831), (27, 81108795), (29, 75515085), (45, 48665277), (81, 27036265), (87, 25171695), (135, 16221759), (137, 15984945), (145, 15103017), (261, 8390565), (405, 5407253), (411, 5328315), (435, 5034339), (685, 3196989), (783, 2796855), (1233, 1776105), (1305, 1678113), (1361, 1609065), (2055, 1065663), (2349, 932285), (3699, 592035), (3915, 559371), (3973, 551205), (4083, 536355), (6165, 355221), (6805, 321813), (11097, 197345), (11745, 186457), (11919, 183735), (12249, 178785), (18495, 118407), (19865, 110241), (20415, 107271), (35757, 61245), (36747, 59595), (39469, 55485)]