1366875

素因数分解:

$3^7\times 5^4$

素因数の和:41

約数の個数: 40

約数和(自身を含む): 2561680

約数和(自身を除く): 1194805

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 243, 375, 405, 625, 675, 729, 1125, 1215, 1875, 2025, 2187, 3375, 3645, 5625, 6075, 10125, 10935, 16875, 18225, 30375, 50625, 54675, 91125, 151875, 273375, 455625, 1366875]

約数ペア:

[(1, 1366875), (3, 455625), (5, 273375), (9, 151875), (15, 91125), (25, 54675), (27, 50625), (45, 30375), (75, 18225), (81, 16875), (125, 10935), (135, 10125), (225, 6075), (243, 5625), (375, 3645), (405, 3375), (625, 2187), (675, 2025), (729, 1875), (1125, 1215)]