71054985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 124312896

約数和(自身を除く): 53257911

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 185, 255, 289, 443, 555, 629, 867, 1329, 1445, 1887, 2215, 3145, 4335, 6645, 7531, 9435, 10693, 16391, 22593, 32079, 37655, 49173, 53465, 81955, 112965, 128027, 160395, 245865, 278647, 384081, 640135, 835941, 1393235, 1920405, 4179705, 4736999, 14210997, 23684995, 71054985]

約数ペア:

[(1, 71054985), (3, 23684995), (5, 14210997), (15, 4736999), (17, 4179705), (37, 1920405), (51, 1393235), (85, 835941), (111, 640135), (185, 384081), (255, 278647), (289, 245865), (443, 160395), (555, 128027), (629, 112965), (867, 81955), (1329, 53465), (1445, 49173), (1887, 37655), (2215, 32079), (3145, 22593), (4335, 16391), (6645, 10693), (7531, 9435)]