208533975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{213881}}^1$

素因数の和:213907

約数の個数: 24

約数和(自身を含む): 371299152

約数和(自身を除く): 162765177

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 213881, 641643, 1069405, 2780453, 3208215, 5347025, 8341359, 13902265, 16041075, 41706795, 69511325, 208533975]

約数ペア:

[(1, 208533975), (3, 69511325), (5, 41706795), (13, 16041075), (15, 13902265), (25, 8341359), (39, 5347025), (65, 3208215), (75, 2780453), (195, 1069405), (325, 641643), (975, 213881)]