20091603

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{337}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 32707584

約数和(自身を除く): 12615981

約数列:

[1, 3, 7, 17, 21, 51, 119, 167, 337, 357, 501, 1011, 1169, 2359, 2839, 3507, 5729, 7077, 8517, 17187, 19873, 40103, 56279, 59619, 120309, 168837, 393953, 956743, 1181859, 2870229, 6697201, 20091603]

約数ペア:

[(1, 20091603), (3, 6697201), (7, 2870229), (17, 1181859), (21, 956743), (51, 393953), (119, 168837), (167, 120309), (337, 59619), (357, 56279), (501, 40103), (1011, 19873), (1169, 17187), (2359, 8517), (2839, 7077), (3507, 5729)]