13121595

素因数分解:

$3^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:377

約数の個数: 40

約数和(自身を含む): 23783760

約数和(自身を除く): 10662165

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 179, 181, 405, 537, 543, 895, 905, 1611, 1629, 2685, 2715, 4833, 4887, 8055, 8145, 14499, 14661, 24165, 24435, 32399, 72495, 73305, 97197, 161995, 291591, 485985, 874773, 1457955, 2624319, 4373865, 13121595]

約数ペア:

[(1, 13121595), (3, 4373865), (5, 2624319), (9, 1457955), (15, 874773), (27, 485985), (45, 291591), (81, 161995), (135, 97197), (179, 73305), (181, 72495), (405, 32399), (537, 24435), (543, 24165), (895, 14661), (905, 14499), (1611, 8145), (1629, 8055), (2685, 4887), (2715, 4833)]