290137683

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1\times {\mathrm{811}}^1$

素因数の和:1155

約数の個数: 32

約数和(自身を含む): 435439872

約数和(自身を除く): 145302189

約数列:

[1, 3, 11, 33, 37, 111, 293, 407, 811, 879, 1221, 2433, 3223, 8921, 9669, 10841, 26763, 30007, 32523, 90021, 119251, 237623, 330077, 357753, 712869, 990231, 2613853, 7841559, 8792051, 26376153, 96712561, 290137683]

約数ペア:

[(1, 290137683), (3, 96712561), (11, 26376153), (33, 8792051), (37, 7841559), (111, 2613853), (293, 990231), (407, 712869), (811, 357753), (879, 330077), (1221, 237623), (2433, 119251), (3223, 90021), (8921, 32523), (9669, 30007), (10841, 26763)]