2579985

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{659}}^1$

素因数の和:702

約数の個数: 32

約数和(自身を含む): 4752000

約数和(自身を除く): 2172015

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 659, 783, 1305, 1977, 3295, 3915, 5931, 9885, 17793, 19111, 29655, 57333, 88965, 95555, 171999, 286665, 515997, 859995, 2579985]

約数ペア:

[(1, 2579985), (3, 859995), (5, 515997), (9, 286665), (15, 171999), (27, 95555), (29, 88965), (45, 57333), (87, 29655), (135, 19111), (145, 17793), (261, 9885), (435, 5931), (659, 3915), (783, 3295), (1305, 1977)]