28587591

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:448

約数の個数: 36

約数和(自身を含む): 45497400

約数和(自身を除く): 16909809

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 289, 379, 493, 867, 1137, 1479, 2601, 3411, 4437, 6443, 8381, 10991, 19329, 25143, 32973, 57987, 75429, 98919, 109531, 186847, 328593, 560541, 985779, 1681623, 3176399, 9529197, 28587591]

約数ペア:

[(1, 28587591), (3, 9529197), (9, 3176399), (17, 1681623), (29, 985779), (51, 560541), (87, 328593), (153, 186847), (261, 109531), (289, 98919), (379, 75429), (493, 57987), (867, 32973), (1137, 25143), (1479, 19329), (2601, 10991), (3411, 8381), (4437, 6443)]