15396213

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 25251840

約数和(自身を除く): 9855627

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 821, 893, 987, 2463, 2679, 5747, 6251, 15599, 17241, 18753, 38587, 46797, 109193, 115761, 270109, 327579, 733153, 810327, 2199459, 5132071, 15396213]

約数ペア:

[(1, 15396213), (3, 5132071), (7, 2199459), (19, 810327), (21, 733153), (47, 327579), (57, 270109), (133, 115761), (141, 109193), (329, 46797), (399, 38587), (821, 18753), (893, 17241), (987, 15599), (2463, 6251), (2679, 5747)]