28631745

素因数分解:

$3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2383}}^1$

素因数の和:2486

約数の個数: 32

約数和(自身を含む): 51494400

約数和(自身を除く): 22862655

約数列:

[1, 3, 5, 9, 15, 27, 45, 89, 135, 267, 445, 801, 1335, 2383, 2403, 4005, 7149, 11915, 12015, 21447, 35745, 64341, 107235, 212087, 321705, 636261, 1060435, 1908783, 3181305, 5726349, 9543915, 28631745]

約数ペア:

[(1, 28631745), (3, 9543915), (5, 5726349), (9, 3181305), (15, 1908783), (27, 1060435), (45, 636261), (89, 321705), (135, 212087), (267, 107235), (445, 64341), (801, 35745), (1335, 21447), (2383, 12015), (2403, 11915), (4005, 7149)]