20171255283

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{15991}}^1$

素因数の和:16214

約数の個数: 48

約数和(自身を含む): 31433875200

約数和(自身を除く): 11262619917

約数列:

[1, 3, 9, 27, 29, 81, 87, 179, 243, 261, 537, 783, 1611, 2349, 4833, 5191, 7047, 14499, 15573, 15991, 43497, 46719, 47973, 140157, 143919, 420471, 431757, 463739, 1261413, 1295271, 1391217, 2862389, 3885813, 4173651, 8587167, 12520953, 25761501, 37562859, 77284503, 83009281, 112688577, 231853509, 249027843, 695560527, 747083529, 2241250587, 6723751761, 20171255283]

約数ペア:

[(1, 20171255283), (3, 6723751761), (9, 2241250587), (27, 747083529), (29, 695560527), (81, 249027843), (87, 231853509), (179, 112688577), (243, 83009281), (261, 77284503), (537, 37562859), (783, 25761501), (1611, 12520953), (2349, 8587167), (4833, 4173651), (5191, 3885813), (7047, 2862389), (14499, 1391217), (15573, 1295271), (15991, 1261413), (43497, 463739), (46719, 431757), (47973, 420471), (140157, 143919)]