68340255

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{947}}^1$

素因数の和:1255

約数の個数: 32

約数和(自身を含む): 116308224

約数和(自身を除く): 47967969

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 283, 849, 947, 1415, 2841, 4245, 4735, 4811, 14205, 14433, 16099, 24055, 48297, 72165, 80495, 241485, 268001, 804003, 1340005, 4020015, 4556017, 13668051, 22780085, 68340255]

約数ペア:

[(1, 68340255), (3, 22780085), (5, 13668051), (15, 4556017), (17, 4020015), (51, 1340005), (85, 804003), (255, 268001), (283, 241485), (849, 80495), (947, 72165), (1415, 48297), (2841, 24055), (4245, 16099), (4735, 14433), (4811, 14205)]