15286215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{739}}^1$

素因数の和:951

約数の個数: 32

約数和(自身を含む): 28131840

約数和(自身を除く): 12845625

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 197, 591, 739, 985, 1379, 2217, 2955, 3695, 4137, 5173, 6895, 11085, 15519, 20685, 25865, 77595, 145583, 436749, 727915, 1019081, 2183745, 3057243, 5095405, 15286215]

約数ペア:

[(1, 15286215), (3, 5095405), (5, 3057243), (7, 2183745), (15, 1019081), (21, 727915), (35, 436749), (105, 145583), (197, 77595), (591, 25865), (739, 20685), (985, 15519), (1379, 11085), (2217, 6895), (2955, 5173), (3695, 4137)]