13271391

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 64

約数和(自身を含む): 24330240

約数和(自身を除く): 11058849

約数列:

[1, 3, 7, 9, 21, 23, 27, 43, 63, 69, 71, 129, 161, 189, 207, 213, 301, 387, 483, 497, 621, 639, 903, 989, 1161, 1449, 1491, 1633, 1917, 2709, 2967, 3053, 4347, 4473, 4899, 6923, 8127, 8901, 9159, 11431, 13419, 14697, 20769, 21371, 26703, 27477, 34293, 44091, 62307, 64113, 70219, 82431, 102879, 186921, 192339, 210657, 308637, 491533, 577017, 631971, 1474599, 1895913, 4423797, 13271391]

約数ペア:

[(1, 13271391), (3, 4423797), (7, 1895913), (9, 1474599), (21, 631971), (23, 577017), (27, 491533), (43, 308637), (63, 210657), (69, 192339), (71, 186921), (129, 102879), (161, 82431), (189, 70219), (207, 64113), (213, 62307), (301, 44091), (387, 34293), (483, 27477), (497, 26703), (621, 21371), (639, 20769), (903, 14697), (989, 13419), (1161, 11431), (1449, 9159), (1491, 8901), (1633, 8127), (1917, 6923), (2709, 4899), (2967, 4473), (3053, 4347)]