1661985

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{947}}^1$

素因数の和:974

約数の個数: 32

約数和(自身を含む): 3185280

約数和(自身を除く): 1523295

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 947, 1755, 2841, 4735, 8523, 12311, 14205, 25569, 36933, 42615, 61555, 110799, 127845, 184665, 332397, 553995, 1661985]

約数ペア:

[(1, 1661985), (3, 553995), (5, 332397), (9, 184665), (13, 127845), (15, 110799), (27, 61555), (39, 42615), (45, 36933), (65, 25569), (117, 14205), (135, 12311), (195, 8523), (351, 4735), (585, 2841), (947, 1755)]