168375025

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 266675640

約数和(自身を除く): 98300615

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 97, 109, 175, 245, 325, 455, 485, 545, 637, 679, 763, 1225, 1261, 1417, 2275, 2425, 2725, 3185, 3395, 3815, 4753, 5341, 6305, 7085, 8827, 9919, 10573, 15925, 16975, 19075, 23765, 26705, 31525, 35425, 44135, 49595, 52865, 61789, 69433, 74011, 118825, 133525, 137449, 220675, 247975, 264325, 308945, 347165, 370055, 518077, 687245, 962143, 1544725, 1735825, 1850275, 2590385, 3436225, 4810715, 6735001, 12951925, 24053575, 33675005, 168375025]

約数ペア:

[(1, 168375025), (5, 33675005), (7, 24053575), (13, 12951925), (25, 6735001), (35, 4810715), (49, 3436225), (65, 2590385), (91, 1850275), (97, 1735825), (109, 1544725), (175, 962143), (245, 687245), (325, 518077), (455, 370055), (485, 347165), (545, 308945), (637, 264325), (679, 247975), (763, 220675), (1225, 137449), (1261, 133525), (1417, 118825), (2275, 74011), (2425, 69433), (2725, 61789), (3185, 52865), (3395, 49595), (3815, 44135), (4753, 35425), (5341, 31525), (6305, 26705), (7085, 23765), (8827, 19075), (9919, 16975), (10573, 15925)]