201886419

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 345702720

約数和(自身を除く): 143816301

約数列:

[1, 3, 7, 19, 21, 41, 43, 49, 57, 123, 129, 133, 147, 287, 301, 399, 779, 817, 861, 903, 931, 1681, 1763, 2009, 2107, 2337, 2451, 2793, 5043, 5289, 5453, 5719, 6027, 6321, 11767, 12341, 16359, 17157, 31939, 33497, 35301, 37023, 38171, 40033, 72283, 82369, 86387, 95817, 100491, 114513, 120099, 216849, 223573, 234479, 247107, 259161, 505981, 670719, 703437, 1373377, 1517943, 1565011, 1641353, 3541867, 4120131, 4695033, 4924059, 9613639, 10625601, 28840917, 67295473, 201886419]

約数ペア:

[(1, 201886419), (3, 67295473), (7, 28840917), (19, 10625601), (21, 9613639), (41, 4924059), (43, 4695033), (49, 4120131), (57, 3541867), (123, 1641353), (129, 1565011), (133, 1517943), (147, 1373377), (287, 703437), (301, 670719), (399, 505981), (779, 259161), (817, 247107), (861, 234479), (903, 223573), (931, 216849), (1681, 120099), (1763, 114513), (2009, 100491), (2107, 95817), (2337, 86387), (2451, 82369), (2793, 72283), (5043, 40033), (5289, 38171), (5453, 37023), (5719, 35301), (6027, 33497), (6321, 31939), (11767, 17157), (12341, 16359)]