856553535

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{709}}^1$

素因数の和:902

約数の個数: 80

約数和(自身を含む): 1628853600

約数和(自身を除く): 772300065

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 157, 171, 285, 405, 471, 513, 709, 785, 855, 1413, 1539, 2127, 2355, 2565, 2983, 3545, 4239, 6381, 7065, 7695, 8949, 10635, 12717, 13471, 14915, 19143, 21195, 26847, 31905, 40413, 44745, 57429, 63585, 67355, 80541, 95715, 111313, 121239, 134235, 202065, 241623, 287145, 333939, 363717, 402705, 556565, 606195, 1001817, 1091151, 1208115, 1669695, 1818585, 2114947, 3005451, 5009085, 5455755, 6344841, 9016353, 10574735, 15027255, 19034523, 31724205, 45081765, 57103569, 95172615, 171310707, 285517845, 856553535]

約数ペア:

[(1, 856553535), (3, 285517845), (5, 171310707), (9, 95172615), (15, 57103569), (19, 45081765), (27, 31724205), (45, 19034523), (57, 15027255), (81, 10574735), (95, 9016353), (135, 6344841), (157, 5455755), (171, 5009085), (285, 3005451), (405, 2114947), (471, 1818585), (513, 1669695), (709, 1208115), (785, 1091151), (855, 1001817), (1413, 606195), (1539, 556565), (2127, 402705), (2355, 363717), (2565, 333939), (2983, 287145), (3545, 241623), (4239, 202065), (6381, 134235), (7065, 121239), (7695, 111313), (8949, 95715), (10635, 80541), (12717, 67355), (13471, 63585), (14915, 57429), (19143, 44745), (21195, 40413), (26847, 31905)]