209909529

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{281}}^1\times {\mathrm{379}}^1$

素因数の和:742

約数の個数: 32

約数和(自身を含む): 317193600

約数和(自身を除く): 107284071

約数列:

[1, 3, 9, 27, 73, 219, 281, 379, 657, 843, 1137, 1971, 2529, 3411, 7587, 10233, 20513, 27667, 61539, 83001, 106499, 184617, 249003, 319497, 553851, 747009, 958491, 2875473, 7774427, 23323281, 69969843, 209909529]

約数ペア:

[(1, 209909529), (3, 69969843), (9, 23323281), (27, 7774427), (73, 2875473), (219, 958491), (281, 747009), (379, 553851), (657, 319497), (843, 249003), (1137, 184617), (1971, 106499), (2529, 83001), (3411, 61539), (7587, 27667), (10233, 20513)]