71557515

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{659}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 131788800

約数和(自身を除く): 60231285

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 127, 171, 285, 381, 635, 659, 855, 1143, 1905, 1977, 2413, 3295, 5715, 5931, 7239, 9885, 12065, 12521, 21717, 29655, 36195, 37563, 62605, 83693, 108585, 112689, 187815, 251079, 418465, 563445, 753237, 1255395, 1590167, 3766185, 4770501, 7950835, 14311503, 23852505, 71557515]

約数ペア:

[(1, 71557515), (3, 23852505), (5, 14311503), (9, 7950835), (15, 4770501), (19, 3766185), (45, 1590167), (57, 1255395), (95, 753237), (127, 563445), (171, 418465), (285, 251079), (381, 187815), (635, 112689), (659, 108585), (855, 83693), (1143, 62605), (1905, 37563), (1977, 36195), (2413, 29655), (3295, 21717), (5715, 12521), (5931, 12065), (7239, 9885)]