72306513

素因数分解:

$3^4\times {\mathrm{179}}^1\times {\mathrm{4987}}^1$

素因数の和:5178

約数の個数: 20

約数和(自身を含む): 108638640

約数和(自身を除く): 36332127

約数列:

[1, 3, 9, 27, 81, 179, 537, 1611, 4833, 4987, 14499, 14961, 44883, 134649, 403947, 892673, 2678019, 8034057, 24102171, 72306513]

約数ペア:

[(1, 72306513), (3, 24102171), (9, 8034057), (27, 2678019), (81, 892673), (179, 403947), (537, 134649), (1611, 44883), (4833, 14961), (4987, 14499)]