28082997

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:163

約数の個数: 48

約数和(自身を含む): 45681600

約数和(自身を除く): 17598603

約数列:

[1, 3, 9, 17, 27, 51, 59, 61, 153, 177, 183, 289, 459, 531, 549, 867, 1003, 1037, 1593, 1647, 2601, 3009, 3111, 3599, 7803, 9027, 9333, 10797, 17051, 17629, 27081, 27999, 32391, 51153, 52887, 61183, 97173, 153459, 158661, 183549, 460377, 475983, 550647, 1040111, 1651941, 3120333, 9360999, 28082997]

約数ペア:

[(1, 28082997), (3, 9360999), (9, 3120333), (17, 1651941), (27, 1040111), (51, 550647), (59, 475983), (61, 460377), (153, 183549), (177, 158661), (183, 153459), (289, 97173), (459, 61183), (531, 52887), (549, 51153), (867, 32391), (1003, 27999), (1037, 27081), (1593, 17629), (1647, 17051), (2601, 10797), (3009, 9333), (3111, 9027), (3599, 7803)]