208377939

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4157}}^1$

素因数の和:4216

約数の個数: 48

約数和(自身を含む): 364041216

約数和(自身を除く): 155663277

約数列:

[1, 3, 7, 11, 21, 31, 33, 49, 77, 93, 147, 217, 231, 341, 539, 651, 1023, 1519, 1617, 2387, 4157, 4557, 7161, 12471, 16709, 29099, 45727, 50127, 87297, 128867, 137181, 203693, 320089, 386601, 611079, 902069, 960267, 1417537, 2240623, 2706207, 4252611, 6314483, 6721869, 9922759, 18943449, 29768277, 69459313, 208377939]

約数ペア:

[(1, 208377939), (3, 69459313), (7, 29768277), (11, 18943449), (21, 9922759), (31, 6721869), (33, 6314483), (49, 4252611), (77, 2706207), (93, 2240623), (147, 1417537), (217, 960267), (231, 902069), (341, 611079), (539, 386601), (651, 320089), (1023, 203693), (1519, 137181), (1617, 128867), (2387, 87297), (4157, 50127), (4557, 45727), (7161, 29099), (12471, 16709)]