291207255

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{1847}}^1$

素因数の和:2335

約数の個数: 32

約数和(自身を含む): 487517184

約数和(自身を除く): 196309929

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 457, 1371, 1847, 2285, 5541, 6855, 9235, 10511, 27705, 31533, 42481, 52555, 127443, 157665, 212405, 637215, 844079, 2532237, 4220395, 12661185, 19413817, 58241451, 97069085, 291207255]

約数ペア:

[(1, 291207255), (3, 97069085), (5, 58241451), (15, 19413817), (23, 12661185), (69, 4220395), (115, 2532237), (345, 844079), (457, 637215), (1371, 212405), (1847, 157665), (2285, 127443), (5541, 52555), (6855, 42481), (9235, 31533), (10511, 27705)]