218530845

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{521}}^1$

素因数の和:787

約数の個数: 64

約数和(自身を含む): 420940800

約数和(自身を除く): 202409955

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 239, 351, 521, 585, 717, 1195, 1563, 1755, 2151, 2605, 3107, 3585, 4689, 6453, 6773, 7815, 9321, 10755, 14067, 15535, 20319, 23445, 27963, 32265, 33865, 46605, 60957, 70335, 83889, 101595, 124519, 139815, 182871, 304785, 373557, 419445, 622595, 914355, 1120671, 1618747, 1867785, 3362013, 4856241, 5603355, 8093735, 14568723, 16810065, 24281205, 43706169, 72843615, 218530845]

約数ペア:

[(1, 218530845), (3, 72843615), (5, 43706169), (9, 24281205), (13, 16810065), (15, 14568723), (27, 8093735), (39, 5603355), (45, 4856241), (65, 3362013), (117, 1867785), (135, 1618747), (195, 1120671), (239, 914355), (351, 622595), (521, 419445), (585, 373557), (717, 304785), (1195, 182871), (1563, 139815), (1755, 124519), (2151, 101595), (2605, 83889), (3107, 70335), (3585, 60957), (4689, 46605), (6453, 33865), (6773, 32265), (7815, 27963), (9321, 23445), (10755, 20319), (14067, 15535)]