31318245

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{11047}}^1$

素因数の和:11071

約数の個数: 40

約数和(自身を含む): 64166784

約数和(自身を除く): 32848539

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 11047, 33141, 55235, 77329, 99423, 165705, 231987, 298269, 386645, 497115, 695961, 894807, 1159935, 1491345, 2087883, 3479805, 4474035, 6263649, 10439415, 31318245]

約数ペア:

[(1, 31318245), (3, 10439415), (5, 6263649), (7, 4474035), (9, 3479805), (15, 2087883), (21, 1491345), (27, 1159935), (35, 894807), (45, 695961), (63, 497115), (81, 386645), (105, 298269), (135, 231987), (189, 165705), (315, 99423), (405, 77329), (567, 55235), (945, 33141), (2835, 11047)]