25139205

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{877}}^1$

素因数の和:915

約数の個数: 72

約数和(自身を含む): 54650232

約数和(自身を除く): 29511027

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 49, 63, 65, 91, 105, 117, 147, 195, 245, 273, 315, 441, 455, 585, 637, 735, 819, 877, 1365, 1911, 2205, 2631, 3185, 4095, 4385, 5733, 6139, 7893, 9555, 11401, 13155, 18417, 28665, 30695, 34203, 39465, 42973, 55251, 57005, 79807, 92085, 102609, 128919, 171015, 214865, 239421, 276255, 386757, 399035, 513045, 558649, 644595, 718263, 1197105, 1675947, 1933785, 2793245, 3591315, 5027841, 8379735, 25139205]

約数ペア:

[(1, 25139205), (3, 8379735), (5, 5027841), (7, 3591315), (9, 2793245), (13, 1933785), (15, 1675947), (21, 1197105), (35, 718263), (39, 644595), (45, 558649), (49, 513045), (63, 399035), (65, 386757), (91, 276255), (105, 239421), (117, 214865), (147, 171015), (195, 128919), (245, 102609), (273, 92085), (315, 79807), (441, 57005), (455, 55251), (585, 42973), (637, 39465), (735, 34203), (819, 30695), (877, 28665), (1365, 18417), (1911, 13155), (2205, 11401), (2631, 9555), (3185, 7893), (4095, 6139), (4385, 5733)]