17986383

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:575

約数の個数: 24

約数和(自身を含む): 26859456

約数和(自身を除く): 8873073

約数列:

[1, 3, 9, 47, 101, 141, 303, 421, 423, 909, 1263, 3789, 4747, 14241, 19787, 42521, 42723, 59361, 127563, 178083, 382689, 1998487, 5995461, 17986383]

約数ペア:

[(1, 17986383), (3, 5995461), (9, 1998487), (47, 382689), (101, 178083), (141, 127563), (303, 59361), (421, 42723), (423, 42521), (909, 19787), (1263, 14241), (3789, 4747)]