42642249

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{557}}^1$

素因数の和:737

約数の個数: 24

約数和(自身を含む): 62085312

約数和(自身を除く): 19443063

約数列:

[1, 3, 13, 39, 151, 169, 453, 507, 557, 1671, 1963, 5889, 7241, 21723, 25519, 76557, 84107, 94133, 252321, 282399, 1093391, 3280173, 14214083, 42642249]

約数ペア:

[(1, 42642249), (3, 14214083), (13, 3280173), (39, 1093391), (151, 282399), (169, 252321), (453, 94133), (507, 84107), (557, 76557), (1671, 25519), (1963, 21723), (5889, 7241)]