209972061

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{11287}}^1$

素因数の和:11362

約数の個数: 32

約数和(自身を含む): 341349120

約数和(自身を除く): 131377059

約数列:

[1, 3, 9, 13, 27, 39, 53, 117, 159, 351, 477, 689, 1431, 2067, 6201, 11287, 18603, 33861, 101583, 146731, 304749, 440193, 598211, 1320579, 1794633, 3961737, 5383899, 7776743, 16151697, 23330229, 69990687, 209972061]

約数ペア:

[(1, 209972061), (3, 69990687), (9, 23330229), (13, 16151697), (27, 7776743), (39, 5383899), (53, 3961737), (117, 1794633), (159, 1320579), (351, 598211), (477, 440193), (689, 304749), (1431, 146731), (2067, 101583), (6201, 33861), (11287, 18603)]