311912991

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{4021}}^1$

素因数の和:4073

約数の個数: 48

約数和(自身を含む): 529938720

約数和(自身を除く): 218025729

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 169, 221, 351, 459, 507, 663, 1521, 1989, 2873, 4021, 4563, 5967, 8619, 12063, 25857, 36189, 52273, 68357, 77571, 108567, 156819, 205071, 470457, 615213, 679549, 888641, 1411371, 1845639, 2038647, 2665923, 6115941, 7997769, 11552333, 18347823, 23993307, 34656999, 103970997, 311912991]

約数ペア:

[(1, 311912991), (3, 103970997), (9, 34656999), (13, 23993307), (17, 18347823), (27, 11552333), (39, 7997769), (51, 6115941), (117, 2665923), (153, 2038647), (169, 1845639), (221, 1411371), (351, 888641), (459, 679549), (507, 615213), (663, 470457), (1521, 205071), (1989, 156819), (2873, 108567), (4021, 77571), (4563, 68357), (5967, 52273), (8619, 36189), (12063, 25857)]