31419843

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1621}}^1$

素因数の和:1715

約数の個数: 32

約数和(自身を含む): 52319232

約数和(自身を除く): 20899389

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1491, 1621, 2769, 4863, 6461, 11347, 19383, 21073, 34041, 63219, 115091, 147511, 345273, 442533, 805637, 1496183, 2416911, 4488549, 10473281, 31419843]

約数ペア:

[(1, 31419843), (3, 10473281), (7, 4488549), (13, 2416911), (21, 1496183), (39, 805637), (71, 442533), (91, 345273), (213, 147511), (273, 115091), (497, 63219), (923, 34041), (1491, 21073), (1621, 19383), (2769, 11347), (4863, 6461)]