856557585

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4397}}^1$

素因数の和:4464

約数の個数: 80

約数和(自身を含む): 1698648336

約数和(自身を除く): 842090751

約数列:

[1, 3, 5, 9, 13, 15, 27, 37, 39, 45, 65, 81, 111, 117, 135, 185, 195, 333, 351, 405, 481, 555, 585, 999, 1053, 1443, 1665, 1755, 2405, 2997, 4329, 4397, 4995, 5265, 7215, 12987, 13191, 14985, 21645, 21985, 38961, 39573, 57161, 64935, 65955, 118719, 162689, 171483, 194805, 197865, 285805, 356157, 488067, 514449, 593595, 813445, 857415, 1464201, 1543347, 1780785, 2114957, 2440335, 2572245, 4392603, 4630041, 6344871, 7321005, 7716735, 10574785, 13177809, 19034613, 21963015, 23150205, 31724355, 57103839, 65889045, 95173065, 171311517, 285519195, 856557585]

約数ペア:

[(1, 856557585), (3, 285519195), (5, 171311517), (9, 95173065), (13, 65889045), (15, 57103839), (27, 31724355), (37, 23150205), (39, 21963015), (45, 19034613), (65, 13177809), (81, 10574785), (111, 7716735), (117, 7321005), (135, 6344871), (185, 4630041), (195, 4392603), (333, 2572245), (351, 2440335), (405, 2114957), (481, 1780785), (555, 1543347), (585, 1464201), (999, 857415), (1053, 813445), (1443, 593595), (1665, 514449), (1755, 488067), (2405, 356157), (2997, 285805), (4329, 197865), (4397, 194805), (4995, 171483), (5265, 162689), (7215, 118719), (12987, 65955), (13191, 64935), (14985, 57161), (21645, 39573), (21985, 38961)]