67779255

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1693}}^1$

素因数の和:1875

約数の個数: 32

約数和(自身を含む): 115625664

約数和(自身を除く): 47846409

約数列:

[1, 3, 5, 15, 17, 51, 85, 157, 255, 471, 785, 1693, 2355, 2669, 5079, 8007, 8465, 13345, 25395, 28781, 40035, 86343, 143905, 265801, 431715, 797403, 1329005, 3987015, 4518617, 13555851, 22593085, 67779255]

約数ペア:

[(1, 67779255), (3, 22593085), (5, 13555851), (15, 4518617), (17, 3987015), (51, 1329005), (85, 797403), (157, 431715), (255, 265801), (471, 143905), (785, 86343), (1693, 40035), (2355, 28781), (2669, 25395), (5079, 13345), (8007, 8465)]