81848295

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3301}}^1$

素因数の和:3360

約数の個数: 48

約数和(自身を含む): 154533600

約数和(自身を除く): 72685305

約数列:

[1, 3, 5, 9, 15, 19, 29, 45, 57, 87, 95, 145, 171, 261, 285, 435, 551, 855, 1305, 1653, 2755, 3301, 4959, 8265, 9903, 16505, 24795, 29709, 49515, 62719, 95729, 148545, 188157, 287187, 313595, 478645, 564471, 861561, 940785, 1435935, 1818851, 2822355, 4307805, 5456553, 9094255, 16369659, 27282765, 81848295]

約数ペア:

[(1, 81848295), (3, 27282765), (5, 16369659), (9, 9094255), (15, 5456553), (19, 4307805), (29, 2822355), (45, 1818851), (57, 1435935), (87, 940785), (95, 861561), (145, 564471), (171, 478645), (261, 313595), (285, 287187), (435, 188157), (551, 148545), (855, 95729), (1305, 62719), (1653, 49515), (2755, 29709), (3301, 24795), (4959, 16505), (8265, 9903)]