20171016819

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{821}}^1$

素因数の和:1042

約数の個数: 80

約数和(自身を含む): 31581174240

約数和(自身を除く): 11410157421

約数列:

[1, 3, 9, 27, 53, 59, 81, 97, 159, 177, 291, 477, 531, 821, 873, 1431, 1593, 2463, 2619, 3127, 4293, 4779, 5141, 5723, 7389, 7857, 9381, 15423, 17169, 22167, 28143, 43513, 46269, 48439, 51507, 66501, 79637, 84429, 130539, 138807, 145317, 154521, 238911, 253287, 303319, 391617, 416421, 435951, 463563, 716733, 909957, 1174851, 1307853, 2150199, 2567267, 2729871, 3524553, 3923559, 4220761, 4698583, 6450597, 7701801, 8189613, 12662283, 14095749, 23105403, 24568839, 37986849, 42287247, 69316209, 113960547, 126861741, 207948627, 249024899, 341881641, 380585223, 747074697, 2241224091, 6723672273, 20171016819]

約数ペア:

[(1, 20171016819), (3, 6723672273), (9, 2241224091), (27, 747074697), (53, 380585223), (59, 341881641), (81, 249024899), (97, 207948627), (159, 126861741), (177, 113960547), (291, 69316209), (477, 42287247), (531, 37986849), (821, 24568839), (873, 23105403), (1431, 14095749), (1593, 12662283), (2463, 8189613), (2619, 7701801), (3127, 6450597), (4293, 4698583), (4779, 4220761), (5141, 3923559), (5723, 3524553), (7389, 2729871), (7857, 2567267), (9381, 2150199), (15423, 1307853), (17169, 1174851), (22167, 909957), (28143, 716733), (43513, 463563), (46269, 435951), (48439, 416421), (51507, 391617), (66501, 303319), (79637, 253287), (84429, 238911), (130539, 154521), (138807, 145317)]