15930005

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 23783424

約数和(自身を除く): 7853419

約数列:

[1, 5, 7, 13, 35, 65, 91, 157, 223, 455, 785, 1099, 1115, 1561, 2041, 2899, 5495, 7805, 10205, 14287, 14495, 20293, 35011, 71435, 101465, 175055, 245077, 455143, 1225385, 2275715, 3186001, 15930005]

約数ペア:

[(1, 15930005), (5, 3186001), (7, 2275715), (13, 1225385), (35, 455143), (65, 245077), (91, 175055), (157, 101465), (223, 71435), (455, 35011), (785, 20293), (1099, 14495), (1115, 14287), (1561, 10205), (2041, 7805), (2899, 5495)]