1921995

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 3571200

約数和(自身を除く): 1649205

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 619, 621, 1035, 1857, 3095, 3105, 5571, 9285, 14237, 16713, 27855, 42711, 71185, 83565, 128133, 213555, 384399, 640665, 1921995]

約数ペア:

[(1, 1921995), (3, 640665), (5, 384399), (9, 213555), (15, 128133), (23, 83565), (27, 71185), (45, 42711), (69, 27855), (115, 16713), (135, 14237), (207, 9285), (345, 5571), (619, 3105), (621, 3095), (1035, 1857)]