31310685

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1949}}^1$

素因数の和:1987

約数の個数: 64

約数和(自身を含む): 67392000

約数和(自身を除く): 36081315

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 85, 105, 119, 135, 153, 189, 255, 315, 357, 459, 595, 765, 945, 1071, 1785, 1949, 2295, 3213, 5355, 5847, 9745, 13643, 16065, 17541, 29235, 33133, 40929, 52623, 68215, 87705, 99399, 122787, 165665, 204645, 231931, 263115, 298197, 368361, 496995, 613935, 695793, 894591, 1159655, 1490985, 1841805, 2087379, 3478965, 4472955, 6262137, 10436895, 31310685]

約数ペア:

[(1, 31310685), (3, 10436895), (5, 6262137), (7, 4472955), (9, 3478965), (15, 2087379), (17, 1841805), (21, 1490985), (27, 1159655), (35, 894591), (45, 695793), (51, 613935), (63, 496995), (85, 368361), (105, 298197), (119, 263115), (135, 231931), (153, 204645), (189, 165665), (255, 122787), (315, 99399), (357, 87705), (459, 68215), (595, 52623), (765, 40929), (945, 33133), (1071, 29235), (1785, 17541), (1949, 16065), (2295, 13643), (3213, 9745), (5355, 5847)]