51890805

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{443}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 95584320

約数和(自身を除く): 43693515

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 137, 171, 285, 411, 443, 685, 855, 1233, 1329, 2055, 2215, 2603, 3987, 6165, 6645, 7809, 8417, 13015, 19935, 23427, 25251, 39045, 42085, 60691, 75753, 117135, 126255, 182073, 303455, 378765, 546219, 910365, 1153129, 2731095, 3459387, 5765645, 10378161, 17296935, 51890805]

約数ペア:

[(1, 51890805), (3, 17296935), (5, 10378161), (9, 5765645), (15, 3459387), (19, 2731095), (45, 1153129), (57, 910365), (95, 546219), (137, 378765), (171, 303455), (285, 182073), (411, 126255), (443, 117135), (685, 75753), (855, 60691), (1233, 42085), (1329, 39045), (2055, 25251), (2215, 23427), (2603, 19935), (3987, 13015), (6165, 8417), (6645, 7809)]