207917655

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{1997}}^1$

素因数の和:2647

約数の個数: 32

約数和(自身を含む): 363667968

約数和(自身を除く): 155750313

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 631, 1893, 1997, 3155, 5991, 6941, 9465, 9985, 20823, 21967, 29955, 34705, 65901, 104115, 109835, 329505, 1260107, 3780321, 6300535, 13861177, 18901605, 41583531, 69305885, 207917655]

約数ペア:

[(1, 207917655), (3, 69305885), (5, 41583531), (11, 18901605), (15, 13861177), (33, 6300535), (55, 3780321), (165, 1260107), (631, 329505), (1893, 109835), (1997, 104115), (3155, 65901), (5991, 34705), (6941, 29955), (9465, 21967), (9985, 20823)]