189232425

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:411

約数の個数: 72

約数和(自身を含む): 353211768

約数和(自身を除く): 163979343

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 73, 75, 123, 205, 219, 225, 281, 365, 369, 615, 657, 843, 1025, 1095, 1405, 1825, 1845, 2529, 2993, 3075, 3285, 4215, 5475, 7025, 8979, 9225, 11521, 12645, 14965, 16425, 20513, 21075, 26937, 34563, 44895, 57605, 61539, 63225, 74825, 102565, 103689, 134685, 172815, 184617, 224475, 288025, 307695, 512825, 518445, 673425, 841033, 864075, 923085, 1538475, 2523099, 2592225, 4205165, 4615425, 7569297, 12615495, 21025825, 37846485, 63077475, 189232425]

約数ペア:

[(1, 189232425), (3, 63077475), (5, 37846485), (9, 21025825), (15, 12615495), (25, 7569297), (41, 4615425), (45, 4205165), (73, 2592225), (75, 2523099), (123, 1538475), (205, 923085), (219, 864075), (225, 841033), (281, 673425), (365, 518445), (369, 512825), (615, 307695), (657, 288025), (843, 224475), (1025, 184617), (1095, 172815), (1405, 134685), (1825, 103689), (1845, 102565), (2529, 74825), (2993, 63225), (3075, 61539), (3285, 57605), (4215, 44895), (5475, 34563), (7025, 26937), (8979, 21075), (9225, 20513), (11521, 16425), (12645, 14965)]