201515985

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{135701}}^1$

素因数の和:135726

約数の個数: 32

約数和(自身を含む): 390821760

約数和(自身を除く): 189305775

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 135701, 407103, 678505, 1221309, 1492711, 2035515, 3663927, 4478133, 6106545, 7463555, 13434399, 18319635, 22390665, 40303197, 67171995, 201515985]

約数ペア:

[(1, 201515985), (3, 67171995), (5, 40303197), (9, 22390665), (11, 18319635), (15, 13434399), (27, 7463555), (33, 6106545), (45, 4478133), (55, 3663927), (99, 2035515), (135, 1492711), (165, 1221309), (297, 678505), (495, 407103), (1485, 135701)]