15591849

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 26812800

約数和(自身を除く): 11220951

約数列:

[1, 3, 7, 13, 21, 39, 41, 49, 91, 123, 147, 199, 273, 287, 533, 597, 637, 861, 1393, 1599, 1911, 2009, 2587, 3731, 4179, 6027, 7761, 8159, 9751, 11193, 18109, 24477, 26117, 29253, 54327, 57113, 78351, 106067, 126763, 171339, 318201, 380289, 399791, 742469, 1199373, 2227407, 5197283, 15591849]

約数ペア:

[(1, 15591849), (3, 5197283), (7, 2227407), (13, 1199373), (21, 742469), (39, 399791), (41, 380289), (49, 318201), (91, 171339), (123, 126763), (147, 106067), (199, 78351), (273, 57113), (287, 54327), (533, 29253), (597, 26117), (637, 24477), (861, 18109), (1393, 11193), (1599, 9751), (1911, 8159), (2009, 7761), (2587, 6027), (3731, 4179)]