25700409

素因数分解:

$3^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 45601920

約数和(自身を除く): 19901511

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 243, 261, 521, 567, 609, 783, 1563, 1701, 1827, 2349, 3647, 4689, 5481, 7047, 10941, 14067, 15109, 16443, 32823, 42201, 45327, 49329, 98469, 105763, 126603, 135981, 295407, 317289, 407943, 886221, 951867, 1223829, 2855601, 3671487, 8566803, 25700409]

約数ペア:

[(1, 25700409), (3, 8566803), (7, 3671487), (9, 2855601), (21, 1223829), (27, 951867), (29, 886221), (63, 407943), (81, 317289), (87, 295407), (189, 135981), (203, 126603), (243, 105763), (261, 98469), (521, 49329), (567, 45327), (609, 42201), (783, 32823), (1563, 16443), (1701, 15109), (1827, 14067), (2349, 10941), (3647, 7047), (4689, 5481)]