31988745

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1062

約数の個数: 48

約数和(自身を含む): 59784192

約数和(自身を除く): 27795447

約数列:

[1, 3, 5, 9, 15, 23, 31, 45, 69, 93, 115, 155, 207, 279, 345, 465, 713, 997, 1035, 1395, 2139, 2991, 3565, 4985, 6417, 8973, 10695, 14955, 22931, 30907, 32085, 44865, 68793, 92721, 114655, 154535, 206379, 278163, 343965, 463605, 710861, 1031895, 1390815, 2132583, 3554305, 6397749, 10662915, 31988745]

約数ペア:

[(1, 31988745), (3, 10662915), (5, 6397749), (9, 3554305), (15, 2132583), (23, 1390815), (31, 1031895), (45, 710861), (69, 463605), (93, 343965), (115, 278163), (155, 206379), (207, 154535), (279, 114655), (345, 92721), (465, 68793), (713, 44865), (997, 32085), (1035, 30907), (1395, 22931), (2139, 14955), (2991, 10695), (3565, 8973), (4985, 6417)]