18665268699

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{149911}}^1$

素因数の和:149957

約数の個数: 48

約数和(自身を含む): 31901273600

約数和(自身を除く): 13236004901

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 121, 147, 231, 343, 363, 539, 847, 1029, 1617, 2541, 3773, 5929, 11319, 17787, 41503, 124509, 149911, 449733, 1049377, 1649021, 3148131, 4947063, 7345639, 11543147, 18139231, 22036917, 34629441, 51419473, 54417693, 80802029, 126974617, 154258419, 242406087, 380923851, 565614203, 888822319, 1696842609, 2666466957, 6221756233, 18665268699]

約数ペア:

[(1, 18665268699), (3, 6221756233), (7, 2666466957), (11, 1696842609), (21, 888822319), (33, 565614203), (49, 380923851), (77, 242406087), (121, 154258419), (147, 126974617), (231, 80802029), (343, 54417693), (363, 51419473), (539, 34629441), (847, 22036917), (1029, 18139231), (1617, 11543147), (2541, 7345639), (3773, 4947063), (5929, 3148131), (11319, 1649021), (17787, 1049377), (41503, 449733), (124509, 149911)]