28345785

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2383}}^1$

素因数の和:2465

約数の個数: 32

約数和(自身を含む): 49663488

約数和(自身を除く): 21317703

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 305, 793, 915, 2379, 2383, 3965, 7149, 11895, 11915, 30979, 35745, 92937, 145363, 154895, 436089, 464685, 726815, 1889719, 2180445, 5669157, 9448595, 28345785]

約数ペア:

[(1, 28345785), (3, 9448595), (5, 5669157), (13, 2180445), (15, 1889719), (39, 726815), (61, 464685), (65, 436089), (183, 154895), (195, 145363), (305, 92937), (793, 35745), (915, 30979), (2379, 11915), (2383, 11895), (3965, 7149)]