85280721

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 132034560

約数和(自身を除く): 46753839

約数列:

[1, 3, 17, 19, 31, 51, 57, 93, 167, 289, 323, 501, 527, 589, 867, 969, 1581, 1767, 2839, 3173, 5177, 5491, 8517, 8959, 9519, 10013, 15531, 16473, 26877, 30039, 48263, 53941, 88009, 98363, 144789, 161823, 170221, 264027, 295089, 510663, 916997, 1496153, 1672171, 2750991, 4488459, 5016513, 28426907, 85280721]

約数ペア:

[(1, 85280721), (3, 28426907), (17, 5016513), (19, 4488459), (31, 2750991), (51, 1672171), (57, 1496153), (93, 916997), (167, 510663), (289, 295089), (323, 264027), (501, 170221), (527, 161823), (589, 144789), (867, 98363), (969, 88009), (1581, 53941), (1767, 48263), (2839, 30039), (3173, 26877), (5177, 16473), (5491, 15531), (8517, 10013), (8959, 9519)]