15663765

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 28038528

約数和(自身を除く): 12374763

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 167, 169, 185, 195, 481, 501, 507, 555, 835, 845, 1443, 2171, 2405, 2505, 2535, 6179, 6253, 6513, 7215, 10855, 18537, 18759, 28223, 30895, 31265, 32565, 80327, 84669, 92685, 93795, 141115, 240981, 401635, 423345, 1044251, 1204905, 3132753, 5221255, 15663765]

約数ペア:

[(1, 15663765), (3, 5221255), (5, 3132753), (13, 1204905), (15, 1044251), (37, 423345), (39, 401635), (65, 240981), (111, 141115), (167, 93795), (169, 92685), (185, 84669), (195, 80327), (481, 32565), (501, 31265), (507, 30895), (555, 28223), (835, 18759), (845, 18537), (1443, 10855), (2171, 7215), (2405, 6513), (2505, 6253), (2535, 6179)]