140190721

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:286

約数の個数: 36

約数和(自身を含む): 173123440

約数和(自身を除く): 32932719

約数列:

[1, 11, 17, 19, 121, 187, 209, 211, 289, 323, 2057, 2299, 2321, 3179, 3553, 3587, 4009, 5491, 25531, 34969, 39083, 39457, 44099, 60401, 60979, 68153, 434027, 485089, 664411, 670769, 749683, 1158601, 7378459, 8246513, 12744611, 140190721]

約数ペア:

[(1, 140190721), (11, 12744611), (17, 8246513), (19, 7378459), (121, 1158601), (187, 749683), (209, 670769), (211, 664411), (289, 485089), (323, 434027), (2057, 68153), (2299, 60979), (2321, 60401), (3179, 44099), (3553, 39457), (3587, 39083), (4009, 34969), (5491, 25531)]