64140903

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{587}}^1$

素因数の和:689

約数の個数: 40

約数和(自身を含む): 102453120

約数和(自身を除く): 38312217

約数列:

[1, 3, 9, 19, 27, 57, 71, 81, 171, 213, 513, 587, 639, 1349, 1539, 1761, 1917, 4047, 5283, 5751, 11153, 12141, 15849, 33459, 36423, 41677, 47547, 100377, 109269, 125031, 301131, 375093, 791863, 903393, 1125279, 2375589, 3375837, 7126767, 21380301, 64140903]

約数ペア:

[(1, 64140903), (3, 21380301), (9, 7126767), (19, 3375837), (27, 2375589), (57, 1125279), (71, 903393), (81, 791863), (171, 375093), (213, 301131), (513, 125031), (587, 109269), (639, 100377), (1349, 47547), (1539, 41677), (1761, 36423), (1917, 33459), (4047, 15849), (5283, 12141), (5751, 11153)]