15663575889

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31883}}^1$

素因数の和:31951

約数の個数: 72

約数和(自身を含む): 27306732960

約数和(自身を除く): 11643157071

約数列:

[1, 3, 9, 13, 17, 19, 39, 51, 57, 117, 153, 169, 171, 221, 247, 323, 507, 663, 741, 969, 1521, 1989, 2223, 2873, 2907, 3211, 4199, 8619, 9633, 12597, 25857, 28899, 31883, 37791, 54587, 95649, 163761, 286947, 414479, 491283, 542011, 605777, 1243437, 1626033, 1817331, 3730311, 4878099, 5388227, 5451993, 7046143, 7875101, 10298209, 16164681, 21138429, 23625303, 30894627, 48494043, 63415287, 70875909, 91599859, 92683881, 102376313, 133876717, 274799577, 307128939, 401630151, 824398731, 921386817, 1204890453, 1740397321, 5221191963, 15663575889]

約数ペア:

[(1, 15663575889), (3, 5221191963), (9, 1740397321), (13, 1204890453), (17, 921386817), (19, 824398731), (39, 401630151), (51, 307128939), (57, 274799577), (117, 133876717), (153, 102376313), (169, 92683881), (171, 91599859), (221, 70875909), (247, 63415287), (323, 48494043), (507, 30894627), (663, 23625303), (741, 21138429), (969, 16164681), (1521, 10298209), (1989, 7875101), (2223, 7046143), (2873, 5451993), (2907, 5388227), (3211, 4878099), (4199, 3730311), (8619, 1817331), (9633, 1626033), (12597, 1243437), (25857, 605777), (28899, 542011), (31883, 491283), (37791, 414479), (54587, 286947), (95649, 163761)]