81182655

素因数分解:

$3^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{613}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 147507360

約数和(自身を除く): 66324705

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 109, 135, 243, 327, 405, 545, 613, 981, 1215, 1635, 1839, 2943, 3065, 4905, 5517, 8829, 9195, 14715, 16551, 26487, 27585, 44145, 49653, 66817, 82755, 132435, 148959, 200451, 248265, 334085, 601353, 744795, 1002255, 1804059, 3006765, 5412177, 9020295, 16236531, 27060885, 81182655]

約数ペア:

[(1, 81182655), (3, 27060885), (5, 16236531), (9, 9020295), (15, 5412177), (27, 3006765), (45, 1804059), (81, 1002255), (109, 744795), (135, 601353), (243, 334085), (327, 248265), (405, 200451), (545, 148959), (613, 132435), (981, 82755), (1215, 66817), (1635, 49653), (1839, 44145), (2943, 27585), (3065, 26487), (4905, 16551), (5517, 14715), (8829, 9195)]