25214205

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 41827968

約数和(自身を除く): 16613763

約数列:

[1, 3, 5, 15, 37, 111, 181, 185, 251, 543, 555, 753, 905, 1255, 2715, 3765, 6697, 9287, 20091, 27861, 33485, 45431, 46435, 100455, 136293, 139305, 227155, 681465, 1680947, 5042841, 8404735, 25214205]

約数ペア:

[(1, 25214205), (3, 8404735), (5, 5042841), (15, 1680947), (37, 681465), (111, 227155), (181, 139305), (185, 136293), (251, 100455), (543, 46435), (555, 45431), (753, 33485), (905, 27861), (1255, 20091), (2715, 9287), (3765, 6697)]