238499715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{21751}}^1$

素因数の和:21819

約数の個数: 32

約数和(自身を含む): 413462016

約数和(自身を除く): 174962301

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 215, 255, 645, 731, 2193, 3655, 10965, 21751, 65253, 108755, 326265, 369767, 935293, 1109301, 1848835, 2805879, 4676465, 5546505, 14029395, 15899981, 47699943, 79499905, 238499715]

約数ペア:

[(1, 238499715), (3, 79499905), (5, 47699943), (15, 15899981), (17, 14029395), (43, 5546505), (51, 4676465), (85, 2805879), (129, 1848835), (215, 1109301), (255, 935293), (645, 369767), (731, 326265), (2193, 108755), (3655, 65253), (10965, 21751)]