28980939051

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{42227}}^1$

素因数の和:42505

約数の個数: 40

約数和(自身を含む): 44657799120

約数和(自身を除く): 15676860069

約数列:

[1, 3, 9, 27, 37, 81, 111, 229, 333, 687, 999, 2061, 2997, 6183, 8473, 18549, 25419, 42227, 76257, 126681, 228771, 380043, 686313, 1140129, 1562399, 3420387, 4687197, 9669983, 14061591, 29009949, 42184773, 87029847, 126554319, 261089541, 357789371, 783268623, 1073368113, 3220104339, 9660313017, 28980939051]

約数ペア:

[(1, 28980939051), (3, 9660313017), (9, 3220104339), (27, 1073368113), (37, 783268623), (81, 357789371), (111, 261089541), (229, 126554319), (333, 87029847), (687, 42184773), (999, 29009949), (2061, 14061591), (2997, 9669983), (6183, 4687197), (8473, 3420387), (18549, 1562399), (25419, 1140129), (42227, 686313), (76257, 380043), (126681, 228771)]