26172909

素因数分解:

$3^3\times 7^2\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:367

約数の個数: 48

約数和(自身を含む): 45891840

約数和(自身を除く): 19718931

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 73, 147, 189, 219, 271, 441, 511, 657, 813, 1323, 1533, 1897, 1971, 2439, 3577, 4599, 5691, 7317, 10731, 13279, 13797, 17073, 19783, 32193, 39837, 51219, 59349, 96579, 119511, 138481, 178047, 358533, 415443, 534141, 969367, 1246329, 2908101, 3738987, 8724303, 26172909]

約数ペア:

[(1, 26172909), (3, 8724303), (7, 3738987), (9, 2908101), (21, 1246329), (27, 969367), (49, 534141), (63, 415443), (73, 358533), (147, 178047), (189, 138481), (219, 119511), (271, 96579), (441, 59349), (511, 51219), (657, 39837), (813, 32193), (1323, 19783), (1533, 17073), (1897, 13797), (1971, 13279), (2439, 10731), (3577, 7317), (4599, 5691)]