778819275

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1787}}^1$

素因数の和:1965

約数の個数: 72

約数和(自身を含む): 1513184400

約数和(自身を除く): 734365125

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 149, 195, 225, 325, 447, 585, 745, 975, 1341, 1787, 1937, 2235, 2925, 3725, 5361, 5811, 6705, 8935, 9685, 11175, 16083, 17433, 23231, 26805, 29055, 33525, 44675, 48425, 69693, 80415, 87165, 116155, 134025, 145275, 209079, 266263, 348465, 402075, 435825, 580775, 798789, 1045395, 1331315, 1742325, 2396367, 3461419, 3993945, 5226975, 6656575, 10384257, 11981835, 17307095, 19969725, 31152771, 51921285, 59909175, 86535475, 155763855, 259606425, 778819275]

約数ペア:

[(1, 778819275), (3, 259606425), (5, 155763855), (9, 86535475), (13, 59909175), (15, 51921285), (25, 31152771), (39, 19969725), (45, 17307095), (65, 11981835), (75, 10384257), (117, 6656575), (149, 5226975), (195, 3993945), (225, 3461419), (325, 2396367), (447, 1742325), (585, 1331315), (745, 1045395), (975, 798789), (1341, 580775), (1787, 435825), (1937, 402075), (2235, 348465), (2925, 266263), (3725, 209079), (5361, 145275), (5811, 134025), (6705, 116155), (8935, 87165), (9685, 80415), (11175, 69693), (16083, 48425), (17433, 44675), (23231, 33525), (26805, 29055)]