210865473

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{36781}}^1$

素因数の和:36814

約数の個数: 36

約数和(自身を含む): 381576468

約数和(自身を除く): 170710995

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 5733, 36781, 110343, 257467, 331029, 478153, 772401, 1434459, 1802269, 2317203, 3347071, 4303377, 5406807, 10041213, 16220421, 23429497, 30123639, 70288491, 210865473]

約数ペア:

[(1, 210865473), (3, 70288491), (7, 30123639), (9, 23429497), (13, 16220421), (21, 10041213), (39, 5406807), (49, 4303377), (63, 3347071), (91, 2317203), (117, 1802269), (147, 1434459), (273, 772401), (441, 478153), (637, 331029), (819, 257467), (1911, 110343), (5733, 36781)]