81993390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{118831}}^1$

素因数の和:118864

約数の個数: 32

約数和(自身を含む): 205341696

約数和(自身を除く): 123348306

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 118831, 237662, 356493, 594155, 712986, 1188310, 1782465, 2733113, 3564930, 5466226, 8199339, 13665565, 16398678, 27331130, 40996695, 81993390]

約数ペア:

[(1, 81993390), (2, 40996695), (3, 27331130), (5, 16398678), (6, 13665565), (10, 8199339), (15, 5466226), (23, 3564930), (30, 2733113), (46, 1782465), (69, 1188310), (115, 712986), (138, 594155), (230, 356493), (345, 237662), (690, 118831)]