218774673

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 353794896

約数和(自身を除く): 135020223

約数列:

[1, 3, 9, 13, 37, 39, 97, 111, 117, 291, 333, 481, 521, 873, 1261, 1443, 1563, 3589, 3783, 4329, 4689, 6773, 10767, 11349, 19277, 20319, 32301, 46657, 50537, 57831, 60957, 139971, 151611, 173493, 250601, 419913, 454833, 656981, 751803, 1869869, 1970943, 2255409, 5609607, 5912829, 16828821, 24308297, 72924891, 218774673]

約数ペア:

[(1, 218774673), (3, 72924891), (9, 24308297), (13, 16828821), (37, 5912829), (39, 5609607), (97, 2255409), (111, 1970943), (117, 1869869), (291, 751803), (333, 656981), (481, 454833), (521, 419913), (873, 250601), (1261, 173493), (1443, 151611), (1563, 139971), (3589, 60957), (3783, 57831), (4329, 50537), (4689, 46657), (6773, 32301), (10767, 20319), (11349, 19277)]