777742425

素因数分解:

$3^3\times 5^2\times {\mathrm{59}}^2\times {\mathrm{331}}^1$

素因数の和:468

約数の個数: 72

約数和(自身を含む): 1457758880

約数和(自身を除く): 680016455

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 59, 75, 135, 177, 225, 295, 331, 531, 675, 885, 993, 1475, 1593, 1655, 2655, 2979, 3481, 4425, 4965, 7965, 8275, 8937, 10443, 13275, 14895, 17405, 19529, 24825, 31329, 39825, 44685, 52215, 58587, 74475, 87025, 93987, 97645, 156645, 175761, 223425, 261075, 292935, 469935, 488225, 527283, 783225, 878805, 1152211, 1464675, 2349675, 2636415, 3456633, 4394025, 5761055, 10369899, 13182075, 17283165, 28805275, 31109697, 51849495, 86415825, 155548485, 259247475, 777742425]

約数ペア:

[(1, 777742425), (3, 259247475), (5, 155548485), (9, 86415825), (15, 51849495), (25, 31109697), (27, 28805275), (45, 17283165), (59, 13182075), (75, 10369899), (135, 5761055), (177, 4394025), (225, 3456633), (295, 2636415), (331, 2349675), (531, 1464675), (675, 1152211), (885, 878805), (993, 783225), (1475, 527283), (1593, 488225), (1655, 469935), (2655, 292935), (2979, 261075), (3481, 223425), (4425, 175761), (4965, 156645), (7965, 97645), (8275, 93987), (8937, 87025), (10443, 74475), (13275, 58587), (14895, 52215), (17405, 44685), (19529, 39825), (24825, 31329)]