708981

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:90

約数の個数: 32

約数和(自身を含む): 1209600

約数和(自身を除く): 500619

約数列:

[1, 3, 7, 13, 21, 39, 49, 53, 91, 147, 159, 273, 343, 371, 637, 689, 1029, 1113, 1911, 2067, 2597, 4459, 4823, 7791, 13377, 14469, 18179, 33761, 54537, 101283, 236327, 708981]

約数ペア:

[(1, 708981), (3, 236327), (7, 101283), (13, 54537), (21, 33761), (39, 18179), (49, 14469), (53, 13377), (91, 7791), (147, 4823), (159, 4459), (273, 2597), (343, 2067), (371, 1911), (637, 1113), (689, 1029)]