4019985

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{569}}^1$

素因数の和:737

約数の個数: 24

約数和(自身を含む): 7024680

約数和(自身を除く): 3004695

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 569, 785, 1413, 1707, 2355, 2845, 5121, 7065, 8535, 25605, 89333, 267999, 446665, 803997, 1339995, 4019985]

約数ペア:

[(1, 4019985), (3, 1339995), (5, 803997), (9, 446665), (15, 267999), (45, 89333), (157, 25605), (471, 8535), (569, 7065), (785, 5121), (1413, 2845), (1707, 2355)]