718460127

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{307}}^2$

素因数の和:649

約数の個数: 54

約数和(自身を含む): 1307912424

約数和(自身を除く): 589452297

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 231, 307, 363, 693, 847, 921, 1089, 2149, 2541, 2763, 3377, 6447, 7623, 10131, 19341, 23639, 30393, 37147, 70917, 94249, 111441, 212751, 260029, 282747, 334323, 659743, 780087, 848241, 1036739, 1979229, 2340261, 3110217, 5937687, 7257173, 9330651, 11404129, 21771519, 34212387, 65314557, 79828903, 102637161, 239486709, 718460127]

約数ペア:

[(1, 718460127), (3, 239486709), (7, 102637161), (9, 79828903), (11, 65314557), (21, 34212387), (33, 21771519), (63, 11404129), (77, 9330651), (99, 7257173), (121, 5937687), (231, 3110217), (307, 2340261), (363, 1979229), (693, 1036739), (847, 848241), (921, 780087), (1089, 659743), (2149, 334323), (2541, 282747), (2763, 260029), (3377, 212751), (6447, 111441), (7623, 94249), (10131, 70917), (19341, 37147), (23639, 30393)]