12113985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 22675968

約数和(自身を除く): 10561983

約数列:

[1, 3, 5, 13, 15, 23, 37, 39, 65, 69, 73, 111, 115, 185, 195, 219, 299, 345, 365, 481, 555, 851, 897, 949, 1095, 1443, 1495, 1679, 2405, 2553, 2701, 2847, 4255, 4485, 4745, 5037, 7215, 8103, 8395, 11063, 12765, 13505, 14235, 21827, 25185, 33189, 35113, 40515, 55315, 62123, 65481, 105339, 109135, 165945, 175565, 186369, 310615, 327405, 526695, 807599, 931845, 2422797, 4037995, 12113985]

約数ペア:

[(1, 12113985), (3, 4037995), (5, 2422797), (13, 931845), (15, 807599), (23, 526695), (37, 327405), (39, 310615), (65, 186369), (69, 175565), (73, 165945), (111, 109135), (115, 105339), (185, 65481), (195, 62123), (219, 55315), (299, 40515), (345, 35113), (365, 33189), (481, 25185), (555, 21827), (851, 14235), (897, 13505), (949, 12765), (1095, 11063), (1443, 8395), (1495, 8103), (1679, 7215), (2405, 5037), (2553, 4745), (2701, 4485), (2847, 4255)]