13247739

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:284

約数の個数: 32

約数和(自身を含む): 20520000

約数和(自身を除く): 7272261

約数列:

[1, 3, 9, 27, 37, 89, 111, 149, 267, 333, 447, 801, 999, 1341, 2403, 3293, 4023, 5513, 9879, 13261, 16539, 29637, 39783, 49617, 88911, 119349, 148851, 358047, 490657, 1471971, 4415913, 13247739]

約数ペア:

[(1, 13247739), (3, 4415913), (9, 1471971), (27, 490657), (37, 358047), (89, 148851), (111, 119349), (149, 88911), (267, 49617), (333, 39783), (447, 29637), (801, 16539), (999, 13261), (1341, 9879), (2403, 5513), (3293, 4023)]