47218845

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{571}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 78249600

約数和(自身を除く): 31030755

約数列:

[1, 3, 5, 15, 37, 111, 149, 185, 447, 555, 571, 745, 1713, 2235, 2855, 5513, 8565, 16539, 21127, 27565, 63381, 82695, 85079, 105635, 255237, 316905, 425395, 1276185, 3147923, 9443769, 15739615, 47218845]

約数ペア:

[(1, 47218845), (3, 15739615), (5, 9443769), (15, 3147923), (37, 1276185), (111, 425395), (149, 316905), (185, 255237), (447, 105635), (555, 85079), (571, 82695), (745, 63381), (1713, 27565), (2235, 21127), (2855, 16539), (5513, 8565)]