28507065

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{229}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 47118720

約数和(自身を除く): 18611655

約数列:

[1, 3, 5, 15, 43, 129, 193, 215, 229, 579, 645, 687, 965, 1145, 2895, 3435, 8299, 9847, 24897, 29541, 41495, 44197, 49235, 124485, 132591, 147705, 220985, 662955, 1900471, 5701413, 9502355, 28507065]

約数ペア:

[(1, 28507065), (3, 9502355), (5, 5701413), (15, 1900471), (43, 662955), (129, 220985), (193, 147705), (215, 132591), (229, 124485), (579, 49235), (645, 44197), (687, 41495), (965, 29541), (1145, 24897), (2895, 9847), (3435, 8299)]