20161377

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{569}}^1$

素因数の和:733

約数の個数: 24

約数和(自身を含む): 30351360

約数和(自身を除く): 10189983

約数列:

[1, 3, 9, 31, 93, 127, 279, 381, 569, 1143, 1707, 3937, 5121, 11811, 17639, 35433, 52917, 72263, 158751, 216789, 650367, 2240153, 6720459, 20161377]

約数ペア:

[(1, 20161377), (3, 6720459), (9, 2240153), (31, 650367), (93, 216789), (127, 158751), (279, 72263), (381, 52917), (569, 35433), (1143, 17639), (1707, 11811), (3937, 5121)]