72491331

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{641}}^1$

素因数の和:827

約数の個数: 32

約数和(自身を含む): 110937600

約数和(自身を除く): 38446269

約数列:

[1, 3, 11, 23, 33, 69, 149, 253, 447, 641, 759, 1639, 1923, 3427, 4917, 7051, 10281, 14743, 21153, 37697, 44229, 95509, 113091, 162173, 286527, 486519, 1050599, 2196707, 3151797, 6590121, 24163777, 72491331]

約数ペア:

[(1, 72491331), (3, 24163777), (11, 6590121), (23, 3151797), (33, 2196707), (69, 1050599), (149, 486519), (253, 286527), (447, 162173), (641, 113091), (759, 95509), (1639, 44229), (1923, 37697), (3427, 21153), (4917, 14743), (7051, 10281)]