51149007

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{173}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 96524064

約数和(自身を除く): 45375057

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 173, 247, 273, 361, 399, 519, 741, 819, 1083, 1197, 1211, 1557, 1729, 2223, 2249, 2527, 3249, 3287, 3633, 4693, 5187, 6747, 7581, 9861, 10899, 14079, 15561, 15743, 20241, 22743, 23009, 29583, 32851, 42237, 42731, 47229, 62453, 69027, 98553, 128193, 141687, 187359, 207081, 295659, 299117, 384579, 437171, 562077, 811889, 897351, 1311513, 2435667, 2692053, 3934539, 5683223, 7307001, 17049669, 51149007]

約数ペア:

[(1, 51149007), (3, 17049669), (7, 7307001), (9, 5683223), (13, 3934539), (19, 2692053), (21, 2435667), (39, 1311513), (57, 897351), (63, 811889), (91, 562077), (117, 437171), (133, 384579), (171, 299117), (173, 295659), (247, 207081), (273, 187359), (361, 141687), (399, 128193), (519, 98553), (741, 69027), (819, 62453), (1083, 47229), (1197, 42731), (1211, 42237), (1557, 32851), (1729, 29583), (2223, 23009), (2249, 22743), (2527, 20241), (3249, 15743), (3287, 15561), (3633, 14079), (4693, 10899), (5187, 9861), (6747, 7581)]