40420815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{541}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 68838336

約数和(自身を除く): 28417521

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 293, 541, 879, 1465, 1623, 2705, 4395, 4981, 8115, 9197, 14943, 24905, 27591, 45985, 74715, 137955, 158513, 475539, 792565, 2377695, 2694721, 8084163, 13473605, 40420815]

約数ペア:

[(1, 40420815), (3, 13473605), (5, 8084163), (15, 2694721), (17, 2377695), (51, 792565), (85, 475539), (255, 158513), (293, 137955), (541, 74715), (879, 45985), (1465, 27591), (1623, 24905), (2705, 14943), (4395, 9197), (4981, 8115)]