290120715

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157247}}^1$

素因数の和:157299

約数の個数: 24

約数和(自身を含む): 515144448

約数和(自身を除く): 225023733

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 157247, 471741, 786235, 1415223, 2358705, 6447127, 7076115, 19341381, 32235635, 58024143, 96706905, 290120715]

約数ペア:

[(1, 290120715), (3, 96706905), (5, 58024143), (9, 32235635), (15, 19341381), (41, 7076115), (45, 6447127), (123, 2358705), (205, 1415223), (369, 786235), (615, 471741), (1845, 157247)]