40809321

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 71818240

約数和(自身を除く): 31008919

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 103, 133, 171, 309, 331, 399, 721, 927, 993, 1197, 1957, 2163, 2317, 2979, 5871, 6289, 6489, 6951, 13699, 17613, 18867, 20853, 34093, 41097, 44023, 56601, 102279, 123291, 132069, 238651, 306837, 396207, 647767, 715953, 1943301, 2147859, 4534369, 5829903, 13603107, 40809321]

約数ペア:

[(1, 40809321), (3, 13603107), (7, 5829903), (9, 4534369), (19, 2147859), (21, 1943301), (57, 715953), (63, 647767), (103, 396207), (133, 306837), (171, 238651), (309, 132069), (331, 123291), (399, 102279), (721, 56601), (927, 44023), (993, 41097), (1197, 34093), (1957, 20853), (2163, 18867), (2317, 17613), (2979, 13699), (5871, 6951), (6289, 6489)]