1989311805

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7129}}^1$

素因数の和:7212

約数の個数: 80

約数和(自身を含む): 3913343280

約数和(自身を除く): 1924031475

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 53, 65, 81, 117, 135, 159, 195, 265, 351, 405, 477, 585, 689, 795, 1053, 1431, 1755, 2067, 2385, 3445, 4293, 5265, 6201, 7129, 7155, 10335, 18603, 21387, 21465, 31005, 35645, 55809, 64161, 92677, 93015, 106935, 192483, 278031, 279045, 320805, 377837, 463385, 577449, 834093, 962415, 1133511, 1390155, 1889185, 2502279, 2887245, 3400533, 4170465, 4911881, 5667555, 7506837, 10201599, 12511395, 14735643, 17002665, 24559405, 30604797, 37534185, 44206929, 51007995, 73678215, 132620787, 153023985, 221034645, 397862361, 663103935, 1989311805]

約数ペア:

[(1, 1989311805), (3, 663103935), (5, 397862361), (9, 221034645), (13, 153023985), (15, 132620787), (27, 73678215), (39, 51007995), (45, 44206929), (53, 37534185), (65, 30604797), (81, 24559405), (117, 17002665), (135, 14735643), (159, 12511395), (195, 10201599), (265, 7506837), (351, 5667555), (405, 4911881), (477, 4170465), (585, 3400533), (689, 2887245), (795, 2502279), (1053, 1889185), (1431, 1390155), (1755, 1133511), (2067, 962415), (2385, 834093), (3445, 577449), (4293, 463385), (5265, 377837), (6201, 320805), (7129, 279045), (7155, 278031), (10335, 192483), (18603, 106935), (21387, 93015), (21465, 92677), (31005, 64161), (35645, 55809)]