128924145

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{991}}^1$

素因数の和:1075

約数の個数: 72

約数和(自身を含む): 264625920

約数和(自身を除く): 135701775

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 59, 63, 105, 147, 177, 245, 295, 315, 413, 441, 531, 735, 885, 991, 1239, 2065, 2205, 2655, 2891, 2973, 3717, 4955, 6195, 6937, 8673, 8919, 14455, 14865, 18585, 20811, 26019, 34685, 43365, 44595, 48559, 58469, 62433, 104055, 130095, 145677, 175407, 242795, 292345, 312165, 409283, 437031, 526221, 728385, 877035, 1227849, 2046415, 2185155, 2631105, 2864981, 3683547, 6139245, 8594943, 14324905, 18417735, 25784829, 42974715, 128924145]

約数ペア:

[(1, 128924145), (3, 42974715), (5, 25784829), (7, 18417735), (9, 14324905), (15, 8594943), (21, 6139245), (35, 3683547), (45, 2864981), (49, 2631105), (59, 2185155), (63, 2046415), (105, 1227849), (147, 877035), (177, 728385), (245, 526221), (295, 437031), (315, 409283), (413, 312165), (441, 292345), (531, 242795), (735, 175407), (885, 145677), (991, 130095), (1239, 104055), (2065, 62433), (2205, 58469), (2655, 48559), (2891, 44595), (2973, 43365), (3717, 34685), (4955, 26019), (6195, 20811), (6937, 18585), (8673, 14865), (8919, 14455)]