207911921

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 259096320

約数和(自身を除く): 51184399

約数列:

[1, 7, 17, 67, 89, 119, 293, 469, 623, 1139, 1513, 2051, 4981, 5963, 7973, 10591, 19631, 26077, 34867, 41741, 101371, 137417, 182539, 333727, 443309, 709597, 1747159, 2336089, 3103163, 12230113, 29701703, 207911921]

約数ペア:

[(1, 207911921), (7, 29701703), (17, 12230113), (67, 3103163), (89, 2336089), (119, 1747159), (293, 709597), (469, 443309), (623, 333727), (1139, 182539), (1513, 137417), (2051, 101371), (4981, 41741), (5963, 34867), (7973, 26077), (10591, 19631)]