71828055

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{617}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 134971200

約数和(自身を除く): 63143145

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 199, 585, 597, 617, 995, 1791, 1851, 2587, 2985, 3085, 5553, 7761, 8021, 8955, 9255, 12935, 23283, 24063, 27765, 38805, 40105, 72189, 116415, 120315, 122783, 360945, 368349, 613915, 1105047, 1596179, 1841745, 4788537, 5525235, 7980895, 14365611, 23942685, 71828055]

約数ペア:

[(1, 71828055), (3, 23942685), (5, 14365611), (9, 7980895), (13, 5525235), (15, 4788537), (39, 1841745), (45, 1596179), (65, 1105047), (117, 613915), (195, 368349), (199, 360945), (585, 122783), (597, 120315), (617, 116415), (995, 72189), (1791, 40105), (1851, 38805), (2587, 27765), (2985, 24063), (3085, 23283), (5553, 12935), (7761, 9255), (8021, 8955)]