15490377

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12941}}^1$

素因数の和:12973

約数の個数: 24

約数和(自身を含む): 26919360

約数和(自身を除く): 11428983

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 12941, 38823, 90587, 116469, 245879, 271761, 737637, 815283, 1721153, 2212911, 5163459, 15490377]

約数ペア:

[(1, 15490377), (3, 5163459), (7, 2212911), (9, 1721153), (19, 815283), (21, 737637), (57, 271761), (63, 245879), (133, 116469), (171, 90587), (399, 38823), (1197, 12941)]