17782497

素因数分解:

$3^7\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 27394560

約数和(自身を除く): 9612063

約数列:

[1, 3, 9, 27, 47, 81, 141, 173, 243, 423, 519, 729, 1269, 1557, 2187, 3807, 4671, 8131, 11421, 14013, 24393, 34263, 42039, 73179, 102789, 126117, 219537, 378351, 658611, 1975833, 5927499, 17782497]

約数ペア:

[(1, 17782497), (3, 5927499), (9, 1975833), (27, 658611), (47, 378351), (81, 219537), (141, 126117), (173, 102789), (243, 73179), (423, 42039), (519, 34263), (729, 24393), (1269, 14013), (1557, 11421), (2187, 8131), (3807, 4671)]