2018963421

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 3142656000

約数和(自身を除く): 1123692579

約数列:

[1, 3, 9, 27, 59, 61, 79, 177, 183, 237, 263, 531, 549, 711, 789, 1593, 1647, 2133, 2367, 3599, 4661, 4819, 7101, 10797, 13983, 14457, 15517, 16043, 20777, 32391, 41949, 43371, 46551, 48129, 62331, 97173, 125847, 130113, 139653, 144387, 186993, 284321, 418959, 433161, 560979, 852963, 946537, 1225843, 1267397, 2558889, 2839611, 3677529, 3802191, 7676667, 8518833, 11032587, 11406573, 25556499, 33097761, 34219719, 74776423, 224329269, 672987807, 2018963421]

約数ペア:

[(1, 2018963421), (3, 672987807), (9, 224329269), (27, 74776423), (59, 34219719), (61, 33097761), (79, 25556499), (177, 11406573), (183, 11032587), (237, 8518833), (263, 7676667), (531, 3802191), (549, 3677529), (711, 2839611), (789, 2558889), (1593, 1267397), (1647, 1225843), (2133, 946537), (2367, 852963), (3599, 560979), (4661, 433161), (4819, 418959), (7101, 284321), (10797, 186993), (13983, 144387), (14457, 139653), (15517, 130113), (16043, 125847), (20777, 97173), (32391, 62331), (41949, 48129), (43371, 46551)]