168640017

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 310262400

約数和(自身を除く): 141622383

約数列:

[1, 3, 7, 13, 17, 21, 29, 39, 49, 51, 87, 91, 119, 147, 179, 203, 221, 273, 357, 377, 493, 537, 609, 637, 663, 833, 1131, 1253, 1421, 1479, 1547, 1911, 2327, 2499, 2639, 3043, 3451, 3759, 4263, 4641, 5191, 6409, 6981, 7917, 8771, 9129, 10353, 10829, 15573, 16289, 18473, 19227, 21301, 24157, 26313, 32487, 36337, 39559, 44863, 48867, 55419, 63903, 67483, 72471, 88247, 109011, 114023, 118677, 134589, 149107, 202449, 254359, 264741, 276913, 314041, 342069, 447321, 472381, 617729, 763077, 830739, 942123, 1147211, 1417143, 1853187, 1938391, 3306667, 3441633, 4324103, 5815173, 8030477, 9920001, 12972309, 24091431, 56213339, 168640017]

約数ペア:

[(1, 168640017), (3, 56213339), (7, 24091431), (13, 12972309), (17, 9920001), (21, 8030477), (29, 5815173), (39, 4324103), (49, 3441633), (51, 3306667), (87, 1938391), (91, 1853187), (119, 1417143), (147, 1147211), (179, 942123), (203, 830739), (221, 763077), (273, 617729), (357, 472381), (377, 447321), (493, 342069), (537, 314041), (609, 276913), (637, 264741), (663, 254359), (833, 202449), (1131, 149107), (1253, 134589), (1421, 118677), (1479, 114023), (1547, 109011), (1911, 88247), (2327, 72471), (2499, 67483), (2639, 63903), (3043, 55419), (3451, 48867), (3759, 44863), (4263, 39559), (4641, 36337), (5191, 32487), (6409, 26313), (6981, 24157), (7917, 21301), (8771, 19227), (9129, 18473), (10353, 16289), (10829, 15573)]