3640785

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 6213888

約数和(自身を除く): 2573103

約数列:

[1, 3, 5, 15, 23, 61, 69, 115, 173, 183, 305, 345, 519, 865, 915, 1403, 2595, 3979, 4209, 7015, 10553, 11937, 19895, 21045, 31659, 52765, 59685, 158295, 242719, 728157, 1213595, 3640785]

約数ペア:

[(1, 3640785), (3, 1213595), (5, 728157), (15, 242719), (23, 158295), (61, 59685), (69, 52765), (115, 31659), (173, 21045), (183, 19895), (305, 11937), (345, 10553), (519, 7015), (865, 4209), (915, 3979), (1403, 2595)]