28829925

素因数分解:

$3^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:664

約数の個数: 60

約数和(自身を含む): 55814880

約数和(自身を除く): 26984955

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 81, 115, 135, 207, 225, 345, 405, 575, 619, 621, 675, 1035, 1725, 1857, 1863, 2025, 3095, 3105, 5175, 5571, 9285, 9315, 14237, 15475, 15525, 16713, 27855, 42711, 46425, 46575, 50139, 71185, 83565, 128133, 139275, 213555, 250695, 355925, 384399, 417825, 640665, 1067775, 1153197, 1253475, 1921995, 3203325, 5765985, 9609975, 28829925]

約数ペア:

[(1, 28829925), (3, 9609975), (5, 5765985), (9, 3203325), (15, 1921995), (23, 1253475), (25, 1153197), (27, 1067775), (45, 640665), (69, 417825), (75, 384399), (81, 355925), (115, 250695), (135, 213555), (207, 139275), (225, 128133), (345, 83565), (405, 71185), (575, 50139), (619, 46575), (621, 46425), (675, 42711), (1035, 27855), (1725, 16713), (1857, 15525), (1863, 15475), (2025, 14237), (3095, 9315), (3105, 9285), (5175, 5571)]