30391431

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1291}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 49612800

約数和(自身を除く): 19221369

約数列:

[1, 3, 7, 19, 21, 57, 59, 133, 177, 399, 413, 1121, 1239, 1291, 3363, 3873, 7847, 9037, 23541, 24529, 27111, 73587, 76169, 171703, 228507, 515109, 533183, 1447211, 1599549, 4341633, 10130477, 30391431]

約数ペア:

[(1, 30391431), (3, 10130477), (7, 4341633), (19, 1599549), (21, 1447211), (57, 533183), (59, 515109), (133, 228507), (177, 171703), (399, 76169), (413, 73587), (1121, 27111), (1239, 24529), (1291, 23541), (3363, 9037), (3873, 7847)]