81366363

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{599}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 134534400

約数和(自身を除く): 53168037

約数列:

[1, 3, 9, 13, 27, 39, 43, 81, 117, 129, 243, 351, 387, 559, 599, 1053, 1161, 1677, 1797, 3159, 3483, 5031, 5391, 7787, 10449, 15093, 16173, 23361, 25757, 45279, 48519, 70083, 77271, 135837, 145557, 210249, 231813, 334841, 630747, 695439, 1004523, 1892241, 2086317, 3013569, 6258951, 9040707, 27122121, 81366363]

約数ペア:

[(1, 81366363), (3, 27122121), (9, 9040707), (13, 6258951), (27, 3013569), (39, 2086317), (43, 1892241), (81, 1004523), (117, 695439), (129, 630747), (243, 334841), (351, 231813), (387, 210249), (559, 145557), (599, 135837), (1053, 77271), (1161, 70083), (1677, 48519), (1797, 45279), (3159, 25757), (3483, 23361), (5031, 16173), (5391, 15093), (7787, 10449)]