71178237

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:875

約数の個数: 48

約数和(自身を含む): 120340800

約数和(自身を除く): 49162563

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 169, 171, 247, 351, 507, 513, 741, 821, 1521, 2223, 2463, 3211, 4563, 6669, 7389, 9633, 10673, 15599, 22167, 28899, 32019, 46797, 86697, 96057, 138749, 140391, 202787, 288171, 416247, 421173, 608361, 1248741, 1825083, 2636231, 3746223, 5475249, 7908693, 23726079, 71178237]

約数ペア:

[(1, 71178237), (3, 23726079), (9, 7908693), (13, 5475249), (19, 3746223), (27, 2636231), (39, 1825083), (57, 1248741), (117, 608361), (169, 421173), (171, 416247), (247, 288171), (351, 202787), (507, 140391), (513, 138749), (741, 96057), (821, 86697), (1521, 46797), (2223, 32019), (2463, 28899), (3211, 22167), (4563, 15599), (6669, 10673), (7389, 9633)]