201909123

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{599}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 326726400

約数和(自身を除く): 124817277

約数列:

[1, 3, 9, 13, 39, 43, 67, 117, 129, 201, 387, 559, 599, 603, 871, 1677, 1797, 2613, 2881, 5031, 5391, 7787, 7839, 8643, 23361, 25757, 25929, 37453, 40133, 70083, 77271, 112359, 120399, 231813, 334841, 337077, 361197, 521729, 1004523, 1565187, 1725719, 3013569, 4695561, 5177157, 15531471, 22434347, 67303041, 201909123]

約数ペア:

[(1, 201909123), (3, 67303041), (9, 22434347), (13, 15531471), (39, 5177157), (43, 4695561), (67, 3013569), (117, 1725719), (129, 1565187), (201, 1004523), (387, 521729), (559, 361197), (599, 337077), (603, 334841), (871, 231813), (1677, 120399), (1797, 112359), (2613, 77271), (2881, 70083), (5031, 40133), (5391, 37453), (7787, 25929), (7839, 25757), (8643, 23361)]