2940705

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:207

約数の個数: 40

約数和(自身を含む): 5410152

約数和(自身を除く): 2469447

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 137, 159, 265, 405, 411, 477, 685, 795, 1233, 1431, 2055, 2385, 3699, 4293, 6165, 7155, 7261, 11097, 18495, 21465, 21783, 36305, 55485, 65349, 108915, 196047, 326745, 588141, 980235, 2940705]

約数ペア:

[(1, 2940705), (3, 980235), (5, 588141), (9, 326745), (15, 196047), (27, 108915), (45, 65349), (53, 55485), (81, 36305), (135, 21783), (137, 21465), (159, 18495), (265, 11097), (405, 7261), (411, 7155), (477, 6165), (685, 4293), (795, 3699), (1233, 2385), (1431, 2055)]