987671457

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{41117}}^1$

素因数の和:41297

約数の個数: 24

約数和(自身を含む): 1520214696

約数和(自身を除く): 532543239

約数列:

[1, 3, 9, 17, 51, 153, 157, 471, 1413, 2669, 8007, 24021, 41117, 123351, 370053, 698989, 2096967, 6290901, 6455369, 19366107, 58098321, 109741273, 329223819, 987671457]

約数ペア:

[(1, 987671457), (3, 329223819), (9, 109741273), (17, 58098321), (51, 19366107), (153, 6455369), (157, 6290901), (471, 2096967), (1413, 698989), (2669, 370053), (8007, 123351), (24021, 41117)]