71319555

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{18217}}^1$

素因数の和:18260

約数の個数: 32

約数和(自身を含む): 131169600

約数和(自身を除く): 59850045

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 18217, 54651, 91085, 163953, 273255, 491859, 528293, 819765, 1584879, 2459295, 2641465, 4754637, 7924395, 14263911, 23773185, 71319555]

約数ペア:

[(1, 71319555), (3, 23773185), (5, 14263911), (9, 7924395), (15, 4754637), (27, 2641465), (29, 2459295), (45, 1584879), (87, 819765), (135, 528293), (145, 491859), (261, 273255), (435, 163953), (783, 91085), (1305, 54651), (3915, 18217)]