31207671

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 53015040

約数和(自身を除く): 21807369

約数列:

[1, 3, 9, 11, 19, 33, 47, 57, 99, 141, 171, 209, 353, 423, 517, 627, 893, 1059, 1551, 1881, 2679, 3177, 3883, 4653, 6707, 8037, 9823, 11649, 16591, 20121, 29469, 34947, 49773, 60363, 73777, 88407, 149319, 182501, 221331, 315229, 547503, 663993, 945687, 1642509, 2837061, 3467519, 10402557, 31207671]

約数ペア:

[(1, 31207671), (3, 10402557), (9, 3467519), (11, 2837061), (19, 1642509), (33, 945687), (47, 663993), (57, 547503), (99, 315229), (141, 221331), (171, 182501), (209, 149319), (353, 88407), (423, 73777), (517, 60363), (627, 49773), (893, 34947), (1059, 29469), (1551, 20121), (1881, 16591), (2679, 11649), (3177, 9823), (3883, 8037), (4653, 6707)]