21077886825

素因数分解:

$3^6\times 5^2\times {\mathrm{1156537}}^1$

素因数の和:1156565

約数の個数: 42

約数和(自身を含む): 39186977054

約数和(自身を除く): 18109090229

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 2025, 3645, 6075, 18225, 1156537, 3469611, 5782685, 10408833, 17348055, 28913425, 31226499, 52044165, 86740275, 93679497, 156132495, 260220825, 281038491, 468397485, 780662475, 843115473, 1405192455, 2341987425, 4215577365, 7025962275, 21077886825]

約数ペア:

[(1, 21077886825), (3, 7025962275), (5, 4215577365), (9, 2341987425), (15, 1405192455), (25, 843115473), (27, 780662475), (45, 468397485), (75, 281038491), (81, 260220825), (135, 156132495), (225, 93679497), (243, 86740275), (405, 52044165), (675, 31226499), (729, 28913425), (1215, 17348055), (2025, 10408833), (3645, 5782685), (6075, 3469611), (18225, 1156537)]