31375905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{293}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 56306880

約数和(自身を除く): 24930975

約数列:

[1, 3, 5, 11, 15, 33, 55, 59, 121, 165, 177, 293, 295, 363, 605, 649, 879, 885, 1465, 1815, 1947, 3223, 3245, 4395, 7139, 9669, 9735, 16115, 17287, 21417, 35453, 35695, 48345, 51861, 86435, 106359, 107085, 177265, 190157, 259305, 531795, 570471, 950785, 2091727, 2852355, 6275181, 10458635, 31375905]

約数ペア:

[(1, 31375905), (3, 10458635), (5, 6275181), (11, 2852355), (15, 2091727), (33, 950785), (55, 570471), (59, 531795), (121, 259305), (165, 190157), (177, 177265), (293, 107085), (295, 106359), (363, 86435), (605, 51861), (649, 48345), (879, 35695), (885, 35453), (1465, 21417), (1815, 17287), (1947, 16115), (3223, 9735), (3245, 9669), (4395, 7139)]