2620807731

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{307}}^1$

素因数の和:427

約数の個数: 72

約数和(自身を含む): 4244560320

約数和(自身を除く): 1623752589

約数列:

[1, 3, 9, 19, 27, 43, 57, 81, 129, 171, 243, 307, 387, 513, 817, 921, 1161, 1539, 1849, 2451, 2763, 3483, 4617, 5547, 5833, 7353, 8289, 10449, 13201, 16641, 17499, 22059, 24867, 35131, 39603, 49923, 52497, 66177, 74601, 105393, 118809, 149769, 157491, 198531, 250819, 316179, 356427, 449307, 472473, 567643, 752457, 948537, 1069281, 1417419, 1702929, 2257371, 2845611, 3207843, 5108787, 6772113, 8536833, 10785217, 15326361, 20316339, 32355651, 45979083, 60949017, 97066953, 137937249, 291200859, 873602577, 2620807731]

約数ペア:

[(1, 2620807731), (3, 873602577), (9, 291200859), (19, 137937249), (27, 97066953), (43, 60949017), (57, 45979083), (81, 32355651), (129, 20316339), (171, 15326361), (243, 10785217), (307, 8536833), (387, 6772113), (513, 5108787), (817, 3207843), (921, 2845611), (1161, 2257371), (1539, 1702929), (1849, 1417419), (2451, 1069281), (2763, 948537), (3483, 752457), (4617, 567643), (5547, 472473), (5833, 449307), (7353, 356427), (8289, 316179), (10449, 250819), (13201, 198531), (16641, 157491), (17499, 149769), (22059, 118809), (24867, 105393), (35131, 74601), (39603, 66177), (49923, 52497)]