31245735

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 51625728

約数和(自身を除く): 20379993

約数列:

[1, 3, 5, 15, 43, 129, 193, 215, 251, 579, 645, 753, 965, 1255, 2895, 3765, 8299, 10793, 24897, 32379, 41495, 48443, 53965, 124485, 145329, 161895, 242215, 726645, 2083049, 6249147, 10415245, 31245735]

約数ペア:

[(1, 31245735), (3, 10415245), (5, 6249147), (15, 2083049), (43, 726645), (129, 242215), (193, 161895), (215, 145329), (251, 124485), (579, 53965), (645, 48443), (753, 41495), (965, 32379), (1255, 24897), (2895, 10793), (3765, 8299)]