9998397

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:219

約数の個数: 40

約数和(自身を含む): 16230456

約数和(自身を除く): 6232059

約数列:

[1, 3, 9, 17, 27, 51, 53, 81, 137, 153, 159, 411, 459, 477, 901, 1233, 1377, 1431, 2329, 2703, 3699, 4293, 6987, 7261, 8109, 11097, 20961, 21783, 24327, 62883, 65349, 72981, 123437, 188649, 196047, 370311, 588141, 1110933, 3332799, 9998397]

約数ペア:

[(1, 9998397), (3, 3332799), (9, 1110933), (17, 588141), (27, 370311), (51, 196047), (53, 188649), (81, 123437), (137, 72981), (153, 65349), (159, 62883), (411, 24327), (459, 21783), (477, 20961), (901, 11097), (1233, 8109), (1377, 7261), (1431, 6987), (2329, 4293), (2703, 3699)]