31771215

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{349}}^1$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 67048800

約数和(自身を除く): 35277585

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 289, 315, 349, 357, 595, 765, 867, 1047, 1071, 1445, 1745, 1785, 2023, 2443, 2601, 3141, 4335, 5235, 5355, 5933, 6069, 7329, 10115, 12215, 13005, 15705, 17799, 18207, 21987, 29665, 30345, 36645, 41531, 53397, 88995, 91035, 100861, 109935, 124593, 207655, 266985, 302583, 373779, 504305, 622965, 706027, 907749, 1512915, 1868895, 2118081, 3530135, 4538745, 6354243, 10590405, 31771215]

約数ペア:

[(1, 31771215), (3, 10590405), (5, 6354243), (7, 4538745), (9, 3530135), (15, 2118081), (17, 1868895), (21, 1512915), (35, 907749), (45, 706027), (51, 622965), (63, 504305), (85, 373779), (105, 302583), (119, 266985), (153, 207655), (255, 124593), (289, 109935), (315, 100861), (349, 91035), (357, 88995), (595, 53397), (765, 41531), (867, 36645), (1047, 30345), (1071, 29665), (1445, 21987), (1745, 18207), (1785, 17799), (2023, 15705), (2443, 13005), (2601, 12215), (3141, 10115), (4335, 7329), (5235, 6069), (5355, 5933)]