197985855

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{3847}}^1$

素因数の和:3975

約数の個数: 32

約数和(自身を含む): 328034304

約数和(自身を除く): 130048449

約数列:

[1, 3, 5, 15, 47, 73, 141, 219, 235, 365, 705, 1095, 3431, 3847, 10293, 11541, 17155, 19235, 51465, 57705, 180809, 280831, 542427, 842493, 904045, 1404155, 2712135, 4212465, 13199057, 39597171, 65995285, 197985855]

約数ペア:

[(1, 197985855), (3, 65995285), (5, 39597171), (15, 13199057), (47, 4212465), (73, 2712135), (141, 1404155), (219, 904045), (235, 842493), (365, 542427), (705, 280831), (1095, 180809), (3431, 57705), (3847, 51465), (10293, 19235), (11541, 17155)]