69983325

素因数分解:

$3^3\times 5^2\times {\mathrm{199}}^1\times {\mathrm{521}}^1$

素因数の和:739

約数の個数: 48

約数和(自身を含む): 129456000

約数和(自身を除く): 59472675

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 199, 225, 521, 597, 675, 995, 1563, 1791, 2605, 2985, 4689, 4975, 5373, 7815, 8955, 13025, 14067, 14925, 23445, 26865, 39075, 44775, 70335, 103679, 117225, 134325, 311037, 351675, 518395, 933111, 1555185, 2591975, 2799333, 4665555, 7775925, 13996665, 23327775, 69983325]

約数ペア:

[(1, 69983325), (3, 23327775), (5, 13996665), (9, 7775925), (15, 4665555), (25, 2799333), (27, 2591975), (45, 1555185), (75, 933111), (135, 518395), (199, 351675), (225, 311037), (521, 134325), (597, 117225), (675, 103679), (995, 70335), (1563, 44775), (1791, 39075), (2605, 26865), (2985, 23445), (4689, 14925), (4975, 14067), (5373, 13025), (7815, 8955)]