28777275

素因数分解:

$3^6\times 5^2\times {\mathrm{1579}}^1$

素因数の和:1607

約数の個数: 42

約数和(自身を含む): 53535140

約数和(自身を除く): 24757865

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 1579, 2025, 3645, 4737, 6075, 7895, 14211, 18225, 23685, 39475, 42633, 71055, 118425, 127899, 213165, 355275, 383697, 639495, 1065825, 1151091, 1918485, 3197475, 5755455, 9592425, 28777275]

約数ペア:

[(1, 28777275), (3, 9592425), (5, 5755455), (9, 3197475), (15, 1918485), (25, 1151091), (27, 1065825), (45, 639495), (75, 383697), (81, 355275), (135, 213165), (225, 127899), (243, 118425), (405, 71055), (675, 42633), (729, 39475), (1215, 23685), (1579, 18225), (2025, 14211), (3645, 7895), (4737, 6075)]