15291381

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 26101440

約数和(自身を除く): 10810059

約数列:

[1, 3, 7, 17, 21, 29, 49, 51, 87, 119, 147, 203, 211, 357, 493, 609, 633, 833, 1421, 1477, 1479, 2499, 3451, 3587, 4263, 4431, 6119, 10339, 10353, 10761, 18357, 24157, 25109, 31017, 42833, 72471, 75327, 104023, 128499, 175763, 299831, 312069, 527289, 728161, 899493, 2184483, 5097127, 15291381]

約数ペア:

[(1, 15291381), (3, 5097127), (7, 2184483), (17, 899493), (21, 728161), (29, 527289), (49, 312069), (51, 299831), (87, 175763), (119, 128499), (147, 104023), (203, 75327), (211, 72471), (357, 42833), (493, 31017), (609, 25109), (633, 24157), (833, 18357), (1421, 10761), (1477, 10353), (1479, 10339), (2499, 6119), (3451, 4431), (3587, 4263)]