16244487

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 29003520

約数和(自身を除く): 12759033

約数列:

[1, 3, 7, 9, 19, 21, 41, 57, 63, 123, 133, 171, 287, 331, 369, 399, 779, 861, 993, 1197, 2317, 2337, 2583, 2979, 5453, 6289, 6951, 7011, 13571, 16359, 18867, 20853, 40713, 44023, 49077, 56601, 94997, 122139, 132069, 257849, 284991, 396207, 773547, 854973, 1804943, 2320641, 5414829, 16244487]

約数ペア:

[(1, 16244487), (3, 5414829), (7, 2320641), (9, 1804943), (19, 854973), (21, 773547), (41, 396207), (57, 284991), (63, 257849), (123, 132069), (133, 122139), (171, 94997), (287, 56601), (331, 49077), (369, 44023), (399, 40713), (779, 20853), (861, 18867), (993, 16359), (1197, 13571), (2317, 7011), (2337, 6951), (2583, 6289), (2979, 5453)]