51011775

素因数分解:

$3^8\times 5^2\times {\mathrm{311}}^1$

素因数の和:345

約数の個数: 54

約数和(自身を含む): 95182152

約数和(自身を除く): 44170377

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 311, 405, 675, 729, 933, 1215, 1555, 2025, 2187, 2799, 3645, 4665, 6075, 6561, 7775, 8397, 10935, 13995, 18225, 23325, 25191, 32805, 41985, 54675, 69975, 75573, 125955, 164025, 209925, 226719, 377865, 629775, 680157, 1133595, 1889325, 2040471, 3400785, 5667975, 10202355, 17003925, 51011775]

約数ペア:

[(1, 51011775), (3, 17003925), (5, 10202355), (9, 5667975), (15, 3400785), (25, 2040471), (27, 1889325), (45, 1133595), (75, 680157), (81, 629775), (135, 377865), (225, 226719), (243, 209925), (311, 164025), (405, 125955), (675, 75573), (729, 69975), (933, 54675), (1215, 41985), (1555, 32805), (2025, 25191), (2187, 23325), (2799, 18225), (3645, 13995), (4665, 10935), (6075, 8397), (6561, 7775)]