31146115

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 51609600

約数和(自身を除く): 20463485

約数列:

[1, 5, 7, 11, 13, 35, 49, 55, 65, 77, 91, 127, 143, 245, 343, 385, 455, 539, 635, 637, 715, 889, 1001, 1397, 1651, 1715, 2695, 3185, 3773, 4445, 4459, 5005, 6223, 6985, 7007, 8255, 9779, 11557, 18161, 18865, 22295, 31115, 35035, 43561, 48895, 49049, 57785, 68453, 80899, 90805, 127127, 217805, 245245, 342265, 404495, 479171, 566293, 635635, 889889, 2395855, 2831465, 4449445, 6229223, 31146115]

約数ペア:

[(1, 31146115), (5, 6229223), (7, 4449445), (11, 2831465), (13, 2395855), (35, 889889), (49, 635635), (55, 566293), (65, 479171), (77, 404495), (91, 342265), (127, 245245), (143, 217805), (245, 127127), (343, 90805), (385, 80899), (455, 68453), (539, 57785), (635, 49049), (637, 48895), (715, 43561), (889, 35035), (1001, 31115), (1397, 22295), (1651, 18865), (1715, 18161), (2695, 11557), (3185, 9779), (3773, 8255), (4445, 7007), (4459, 6985), (5005, 6223)]