1320652431

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{80317}}^1$

素因数の和:80365

約数の個数: 40

約数和(自身を含む): 2332434720

約数和(自身を除く): 1011782289

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 261, 567, 609, 783, 1827, 2349, 5481, 16443, 80317, 240951, 562219, 722853, 1686657, 2168559, 2329193, 5059971, 6505677, 6987579, 15179913, 16304351, 20962737, 45539739, 48913053, 62888211, 146739159, 188664633, 440217477, 1320652431]

約数ペア:

[(1, 1320652431), (3, 440217477), (7, 188664633), (9, 146739159), (21, 62888211), (27, 48913053), (29, 45539739), (63, 20962737), (81, 16304351), (87, 15179913), (189, 6987579), (203, 6505677), (261, 5059971), (567, 2329193), (609, 2168559), (783, 1686657), (1827, 722853), (2349, 562219), (5481, 240951), (16443, 80317)]