28378989

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2477}}^1$

素因数の和:2569

約数の個数: 24

約数和(自身を含む): 43811040

約数和(自身を除く): 15432051

約数列:

[1, 3, 9, 19, 57, 67, 171, 201, 603, 1273, 2477, 3819, 7431, 11457, 22293, 47063, 141189, 165959, 423567, 497877, 1493631, 3153221, 9459663, 28378989]

約数ペア:

[(1, 28378989), (3, 9459663), (9, 3153221), (19, 1493631), (57, 497877), (67, 423567), (171, 165959), (201, 141189), (603, 47063), (1273, 22293), (2477, 11457), (3819, 7431)]