1915694955

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{205657}}^1$

素因数の和:205697

約数の個数: 40

約数和(自身を含む): 3583384992

約数和(自身を除く): 1667690037

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1863, 3105, 9315, 205657, 616971, 1028285, 1850913, 3084855, 4730111, 5552739, 9254565, 14190333, 16658217, 23650555, 27763695, 42570999, 70951665, 83291085, 127712997, 212854995, 383138991, 638564985, 1915694955]

約数ペア:

[(1, 1915694955), (3, 638564985), (5, 383138991), (9, 212854995), (15, 127712997), (23, 83291085), (27, 70951665), (45, 42570999), (69, 27763695), (81, 23650555), (115, 16658217), (135, 14190333), (207, 9254565), (345, 5552739), (405, 4730111), (621, 3084855), (1035, 1850913), (1863, 1028285), (3105, 616971), (9315, 205657)]