203415303

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 346106880

約数和(自身を除く): 142691577

約数列:

[1, 3, 7, 13, 21, 39, 59, 73, 91, 173, 177, 219, 273, 413, 511, 519, 767, 949, 1211, 1239, 1533, 2249, 2301, 2847, 3633, 4307, 5369, 6643, 6747, 10207, 12629, 12921, 15743, 16107, 19929, 30149, 30621, 37887, 47229, 55991, 71449, 88403, 90447, 132691, 164177, 167973, 214347, 265209, 391937, 398073, 492531, 745111, 928837, 1149239, 1175811, 2235333, 2786511, 3447717, 5215777, 9686443, 15647331, 29059329, 67805101, 203415303]

約数ペア:

[(1, 203415303), (3, 67805101), (7, 29059329), (13, 15647331), (21, 9686443), (39, 5215777), (59, 3447717), (73, 2786511), (91, 2235333), (173, 1175811), (177, 1149239), (219, 928837), (273, 745111), (413, 492531), (511, 398073), (519, 391937), (767, 265209), (949, 214347), (1211, 167973), (1239, 164177), (1533, 132691), (2249, 90447), (2301, 88403), (2847, 71449), (3633, 55991), (4307, 47229), (5369, 37887), (6643, 30621), (6747, 30149), (10207, 19929), (12629, 16107), (12921, 15743)]