74715075

素因数分解:

$3^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1559}}^1$

素因数の和:1649

約数の個数: 48

約数和(自身を含む): 139276800

約数和(自身を除く): 64561725

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 135, 213, 225, 355, 639, 675, 1065, 1559, 1775, 1917, 3195, 4677, 5325, 7795, 9585, 14031, 15975, 23385, 38975, 42093, 47925, 70155, 110689, 116925, 210465, 332067, 350775, 553445, 996201, 1052325, 1660335, 2767225, 2988603, 4981005, 8301675, 14943015, 24905025, 74715075]

約数ペア:

[(1, 74715075), (3, 24905025), (5, 14943015), (9, 8301675), (15, 4981005), (25, 2988603), (27, 2767225), (45, 1660335), (71, 1052325), (75, 996201), (135, 553445), (213, 350775), (225, 332067), (355, 210465), (639, 116925), (675, 110689), (1065, 70155), (1559, 47925), (1775, 42093), (1917, 38975), (3195, 23385), (4677, 15975), (5325, 14031), (7795, 9585)]