28945203

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{911}}^1$

素因数の和:1027

約数の個数: 32

約数和(自身を含む): 47278080

約数和(自身を除く): 18332877

約数列:

[1, 3, 7, 17, 21, 51, 89, 119, 267, 357, 623, 911, 1513, 1869, 2733, 4539, 6377, 10591, 15487, 19131, 31773, 46461, 81079, 108409, 243237, 325227, 567553, 1378343, 1702659, 4135029, 9648401, 28945203]

約数ペア:

[(1, 28945203), (3, 9648401), (7, 4135029), (17, 1702659), (21, 1378343), (51, 567553), (89, 325227), (119, 243237), (267, 108409), (357, 81079), (623, 46461), (911, 31773), (1513, 19131), (1869, 15487), (2733, 10591), (4539, 6377)]