1640529

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 2632032

約数和(自身を除く): 991503

約数列:

[1, 3, 9, 11, 33, 73, 99, 219, 227, 657, 681, 803, 2043, 2409, 2497, 7227, 7491, 16571, 22473, 49713, 149139, 182281, 546843, 1640529]

約数ペア:

[(1, 1640529), (3, 546843), (9, 182281), (11, 149139), (33, 49713), (73, 22473), (99, 16571), (219, 7491), (227, 7227), (657, 2497), (681, 2409), (803, 2043)]