6471381

素因数分解:

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

素因数の和:374

約数の個数: 32

約数和(自身を含む): 10624000

約数和(自身を除く): 4152619

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 331, 343, 399, 931, 993, 1029, 2317, 2793, 6289, 6517, 6951, 16219, 18867, 19551, 44023, 48657, 113533, 132069, 308161, 340599, 924483, 2157127, 6471381]

約数ペア:

[(1, 6471381), (3, 2157127), (7, 924483), (19, 340599), (21, 308161), (49, 132069), (57, 113533), (133, 48657), (147, 44023), (331, 19551), (343, 18867), (399, 16219), (931, 6951), (993, 6517), (1029, 6289), (2317, 2793)]