468445185

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2055

約数の個数: 72

約数和(自身を含む): 908054784

約数和(自身を除く): 439609599

約数列:

[1, 3, 5, 9, 13, 15, 31, 39, 45, 65, 93, 117, 155, 169, 195, 279, 403, 465, 507, 585, 845, 1209, 1395, 1521, 1987, 2015, 2535, 3627, 5239, 5961, 6045, 7605, 9935, 15717, 17883, 18135, 25831, 26195, 29805, 47151, 61597, 77493, 78585, 89415, 129155, 184791, 232479, 235755, 307985, 335803, 387465, 554373, 800761, 923955, 1007409, 1162395, 1679015, 2402283, 2771865, 3022227, 4003805, 5037045, 7206849, 10409893, 12011415, 15111135, 31229679, 36034245, 52049465, 93689037, 156148395, 468445185]

約数ペア:

[(1, 468445185), (3, 156148395), (5, 93689037), (9, 52049465), (13, 36034245), (15, 31229679), (31, 15111135), (39, 12011415), (45, 10409893), (65, 7206849), (93, 5037045), (117, 4003805), (155, 3022227), (169, 2771865), (195, 2402283), (279, 1679015), (403, 1162395), (465, 1007409), (507, 923955), (585, 800761), (845, 554373), (1209, 387465), (1395, 335803), (1521, 307985), (1987, 235755), (2015, 232479), (2535, 184791), (3627, 129155), (5239, 89415), (5961, 78585), (6045, 77493), (7605, 61597), (9935, 47151), (15717, 29805), (17883, 26195), (18135, 25831)]