81993015

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{140159}}^1$

素因数の和:140183

約数の個数: 24

約数和(自身を含む): 153054720

約数和(自身を除く): 71061705

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 140159, 420477, 700795, 1261431, 1822067, 2102385, 5466201, 6307155, 9110335, 16398603, 27331005, 81993015]

約数ペア:

[(1, 81993015), (3, 27331005), (5, 16398603), (9, 9110335), (13, 6307155), (15, 5466201), (39, 2102385), (45, 1822067), (65, 1261431), (117, 700795), (195, 420477), (585, 140159)]