321453756

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{22157}}^1$

素因数の和:22211

約数の個数: 72

約数和(自身を含む): 903337344

約数和(自身を除く): 581883588

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4836, 7254, 14508, 22157, 44314, 66471, 88628, 132942, 199413, 265884, 288041, 398826, 576082, 686867, 797652, 864123, 1152164, 1373734, 1728246, 2060601, 2592369, 2747468, 3456492, 4121202, 5184738, 6181803, 8242404, 8929271, 10369476, 12363606, 17858542, 24727212, 26787813, 35717084, 53575626, 80363439, 107151252, 160726878, 321453756]

約数ペア:

[(1, 321453756), (2, 160726878), (3, 107151252), (4, 80363439), (6, 53575626), (9, 35717084), (12, 26787813), (13, 24727212), (18, 17858542), (26, 12363606), (31, 10369476), (36, 8929271), (39, 8242404), (52, 6181803), (62, 5184738), (78, 4121202), (93, 3456492), (117, 2747468), (124, 2592369), (156, 2060601), (186, 1728246), (234, 1373734), (279, 1152164), (372, 864123), (403, 797652), (468, 686867), (558, 576082), (806, 398826), (1116, 288041), (1209, 265884), (1612, 199413), (2418, 132942), (3627, 88628), (4836, 66471), (7254, 44314), (14508, 22157)]