51864687

素因数分解:

$3^2\times 7^3\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:397

約数の個数: 48

約数和(自身を含む): 89294400

約数和(自身を除く): 37429713

約数列:

[1, 3, 7, 9, 21, 49, 53, 63, 147, 159, 317, 343, 371, 441, 477, 951, 1029, 1113, 2219, 2597, 2853, 3087, 3339, 6657, 7791, 15533, 16801, 18179, 19971, 23373, 46599, 50403, 54537, 108731, 117607, 139797, 151209, 163611, 326193, 352821, 823249, 978579, 1058463, 2469747, 5762743, 7409241, 17288229, 51864687]

約数ペア:

[(1, 51864687), (3, 17288229), (7, 7409241), (9, 5762743), (21, 2469747), (49, 1058463), (53, 978579), (63, 823249), (147, 352821), (159, 326193), (317, 163611), (343, 151209), (371, 139797), (441, 117607), (477, 108731), (951, 54537), (1029, 50403), (1113, 46599), (2219, 23373), (2597, 19971), (2853, 18179), (3087, 16801), (3339, 15533), (6657, 7791)]