31305591

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1973}}^1$

素因数の和:2063

約数の個数: 24

約数和(自身を含む): 47423376

約数和(自身を除く): 16117785

約数列:

[1, 3, 9, 41, 43, 123, 129, 369, 387, 1763, 1973, 5289, 5919, 15867, 17757, 80893, 84839, 242679, 254517, 728037, 763551, 3478399, 10435197, 31305591]

約数ペア:

[(1, 31305591), (3, 10435197), (9, 3478399), (41, 763551), (43, 728037), (123, 254517), (129, 242679), (369, 84839), (387, 80893), (1763, 17757), (1973, 15867), (5289, 5919)]