31114755

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 63808992

約数和(自身を除く): 32694237

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 103, 105, 137, 147, 245, 309, 315, 411, 441, 515, 685, 721, 735, 927, 959, 1233, 1545, 2055, 2163, 2205, 2877, 3605, 4635, 4795, 5047, 6165, 6489, 6713, 8631, 10815, 14111, 14385, 15141, 20139, 25235, 32445, 33565, 42333, 43155, 45423, 60417, 70555, 75705, 98777, 100695, 126999, 211665, 227115, 296331, 302085, 493885, 634995, 691439, 888993, 1481655, 2074317, 3457195, 4444965, 6222951, 10371585, 31114755]

約数ペア:

[(1, 31114755), (3, 10371585), (5, 6222951), (7, 4444965), (9, 3457195), (15, 2074317), (21, 1481655), (35, 888993), (45, 691439), (49, 634995), (63, 493885), (103, 302085), (105, 296331), (137, 227115), (147, 211665), (245, 126999), (309, 100695), (315, 98777), (411, 75705), (441, 70555), (515, 60417), (685, 45423), (721, 43155), (735, 42333), (927, 33565), (959, 32445), (1233, 25235), (1545, 20139), (2055, 15141), (2163, 14385), (2205, 14111), (2877, 10815), (3605, 8631), (4635, 6713), (4795, 6489), (5047, 6165)]