218212725

素因数分解:

$3^1\times 5^2\times {\mathrm{191}}^1\times {\mathrm{15233}}^1$

素因数の和:15437

約数の個数: 24

約数和(自身を含む): 362691072

約数和(自身を除く): 144478347

約数列:

[1, 3, 5, 15, 25, 75, 191, 573, 955, 2865, 4775, 14325, 15233, 45699, 76165, 228495, 380825, 1142475, 2909503, 8728509, 14547515, 43642545, 72737575, 218212725]

約数ペア:

[(1, 218212725), (3, 72737575), (5, 43642545), (15, 14547515), (25, 8728509), (75, 2909503), (191, 1142475), (573, 380825), (955, 228495), (2865, 76165), (4775, 45699), (14325, 15233)]