81051019

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 102629376

約数和(自身を除く): 21578357

約数列:

[1, 7, 17, 31, 119, 127, 173, 217, 527, 889, 1211, 2159, 2941, 3689, 3937, 5363, 15113, 20587, 21971, 27559, 37541, 66929, 91171, 153797, 373507, 468503, 638197, 681101, 2614549, 4767707, 11578717, 81051019]

約数ペア:

[(1, 81051019), (7, 11578717), (17, 4767707), (31, 2614549), (119, 681101), (127, 638197), (173, 468503), (217, 373507), (527, 153797), (889, 91171), (1211, 66929), (2159, 37541), (2941, 27559), (3689, 21971), (3937, 20587), (5363, 15113)]