65638293

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 109002240

約数和(自身を除く): 43363947

約数列:

[1, 3, 7, 19, 21, 49, 57, 71, 133, 147, 213, 331, 399, 497, 931, 993, 1349, 1491, 2317, 2793, 3479, 4047, 6289, 6951, 9443, 10437, 16219, 18867, 23501, 28329, 44023, 48657, 66101, 70503, 132069, 164507, 198303, 308161, 446519, 493521, 924483, 1151549, 1339557, 3125633, 3454647, 9376899, 21879431, 65638293]

約数ペア:

[(1, 65638293), (3, 21879431), (7, 9376899), (19, 3454647), (21, 3125633), (49, 1339557), (57, 1151549), (71, 924483), (133, 493521), (147, 446519), (213, 308161), (331, 198303), (399, 164507), (497, 132069), (931, 70503), (993, 66101), (1349, 48657), (1491, 44023), (2317, 28329), (2793, 23501), (3479, 18867), (4047, 16219), (6289, 10437), (6951, 9443)]