156738393

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 266812416

約数和(自身を除く): 110074023

約数列:

[1, 3, 7, 9, 21, 63, 67, 71, 201, 213, 469, 497, 523, 603, 639, 1407, 1491, 1569, 3661, 4221, 4473, 4707, 4757, 10983, 14271, 32949, 33299, 35041, 37133, 42813, 99897, 105123, 111399, 245287, 259931, 299691, 315369, 334197, 735861, 779793, 2207583, 2339379, 2487911, 7463733, 17415377, 22391199, 52246131, 156738393]

約数ペア:

[(1, 156738393), (3, 52246131), (7, 22391199), (9, 17415377), (21, 7463733), (63, 2487911), (67, 2339379), (71, 2207583), (201, 779793), (213, 735861), (469, 334197), (497, 315369), (523, 299691), (603, 259931), (639, 245287), (1407, 111399), (1491, 105123), (1569, 99897), (3661, 42813), (4221, 37133), (4473, 35041), (4707, 33299), (4757, 32949), (10983, 14271)]