287308509

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 401915904

約数和(自身を除く): 114607395

約数列:

[1, 3, 47, 73, 103, 141, 219, 271, 309, 813, 3431, 4841, 7519, 10293, 12737, 14523, 19783, 22557, 27913, 38211, 59349, 83739, 353393, 929801, 1060179, 1311911, 2037649, 2789403, 3935733, 6112947, 95769503, 287308509]

約数ペア:

[(1, 287308509), (3, 95769503), (47, 6112947), (73, 3935733), (103, 2789403), (141, 2037649), (219, 1311911), (271, 1060179), (309, 929801), (813, 353393), (3431, 83739), (4841, 59349), (7519, 38211), (10293, 27913), (12737, 22557), (14523, 19783)]