28719135

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{373}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 52509600

約数和(自身を除く): 23790465

約数列:

[1, 3, 5, 9, 15, 29, 45, 59, 87, 145, 177, 261, 295, 373, 435, 531, 885, 1119, 1305, 1711, 1865, 2655, 3357, 5133, 5595, 8555, 10817, 15399, 16785, 22007, 25665, 32451, 54085, 66021, 76995, 97353, 110035, 162255, 198063, 330105, 486765, 638203, 990315, 1914609, 3191015, 5743827, 9573045, 28719135]

約数ペア:

[(1, 28719135), (3, 9573045), (5, 5743827), (9, 3191015), (15, 1914609), (29, 990315), (45, 638203), (59, 486765), (87, 330105), (145, 198063), (177, 162255), (261, 110035), (295, 97353), (373, 76995), (435, 66021), (531, 54085), (885, 32451), (1119, 25665), (1305, 22007), (1711, 16785), (1865, 15399), (2655, 10817), (3357, 8555), (5133, 5595)]