28619775

素因数分解:

$3^2\times 5^2\times {\mathrm{311}}^1\times {\mathrm{409}}^1$

素因数の和:736

約数の個数: 36

約数和(自身を含む): 51551760

約数和(自身を除く): 22931985

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 311, 409, 933, 1227, 1555, 2045, 2799, 3681, 4665, 6135, 7775, 10225, 13995, 18405, 23325, 30675, 69975, 92025, 127199, 381597, 635995, 1144791, 1907985, 3179975, 5723955, 9539925, 28619775]

約数ペア:

[(1, 28619775), (3, 9539925), (5, 5723955), (9, 3179975), (15, 1907985), (25, 1144791), (45, 635995), (75, 381597), (225, 127199), (311, 92025), (409, 69975), (933, 30675), (1227, 23325), (1555, 18405), (2045, 13995), (2799, 10225), (3681, 7775), (4665, 6135)]