127145431

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 160745472

約数和(自身を除く): 33600041

約数列:

[1, 7, 17, 37, 67, 119, 259, 431, 469, 629, 1139, 2479, 3017, 4403, 7327, 7973, 15947, 17353, 28877, 42143, 51289, 111629, 202139, 271099, 295001, 490909, 1068449, 1897693, 3436363, 7479143, 18163633, 127145431]

約数ペア:

[(1, 127145431), (7, 18163633), (17, 7479143), (37, 3436363), (67, 1897693), (119, 1068449), (259, 490909), (431, 295001), (469, 271099), (629, 202139), (1139, 111629), (2479, 51289), (3017, 42143), (4403, 28877), (7327, 17353), (7973, 15947)]