15387967

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:175

約数の個数: 32

約数和(自身を含む): 19699200

約数和(自身を除く): 4311233

約数列:

[1, 7, 19, 37, 53, 59, 133, 259, 371, 413, 703, 1007, 1121, 1961, 2183, 3127, 4921, 7049, 7847, 13727, 15281, 21889, 37259, 41477, 59413, 115699, 260813, 290339, 415891, 809893, 2198281, 15387967]

約数ペア:

[(1, 15387967), (7, 2198281), (19, 809893), (37, 415891), (53, 290339), (59, 260813), (133, 115699), (259, 59413), (371, 41477), (413, 37259), (703, 21889), (1007, 15281), (1121, 13727), (1961, 7847), (2183, 7049), (3127, 4921)]